20199709920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{16267}}^1$

素因数の和:16497

約数の個数: 192

約数和(自身を含む): 68872204800

約数和(自身を除く): 48672494880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 199, 208, 240, 260, 312, 390, 398, 416, 480, 520, 597, 624, 780, 796, 995, 1040, 1194, 1248, 1560, 1592, 1990, 2080, 2388, 2587, 2985, 3120, 3184, 3980, 4776, 5174, 5970, 6240, 6368, 7761, 7960, 9552, 10348, 11940, 12935, 15522, 15920, 16267, 19104, 20696, 23880, 25870, 31044, 31840, 32534, 38805, 41392, 47760, 48801, 51740, 62088, 65068, 77610, 81335, 82784, 95520, 97602, 103480, 124176, 130136, 155220, 162670, 195204, 206960, 211471, 244005, 248352, 260272, 310440, 325340, 390408, 413920, 422942, 488010, 520544, 620880, 634413, 650680, 780816, 845884, 976020, 1057355, 1241760, 1268826, 1301360, 1561632, 1691768, 1952040, 2114710, 2537652, 2602720, 3172065, 3237133, 3383536, 3904080, 4229420, 5075304, 6344130, 6474266, 6767072, 7808160, 8458840, 9711399, 10150608, 12688260, 12948532, 16185665, 16917680, 19422798, 20301216, 25376520, 25897064, 32371330, 33835360, 38845596, 42082729, 48556995, 50753040, 51794128, 64742660, 77691192, 84165458, 97113990, 101506080, 103588256, 126248187, 129485320, 155382384, 168330916, 194227980, 210413645, 252496374, 258970640, 310764768, 336661832, 388455960, 420827290, 504992748, 517941280, 631240935, 673323664, 776911920, 841654580, 1009985496, 1262481870, 1346647328, 1553823840, 1683309160, 2019970992, 2524963740, 3366618320, 4039941984, 5049927480, 6733236640, 10099854960, 20199709920]

約数ペア:

[(1, 20199709920), (2, 10099854960), (3, 6733236640), (4, 5049927480), (5, 4039941984), (6, 3366618320), (8, 2524963740), (10, 2019970992), (12, 1683309160), (13, 1553823840), (15, 1346647328), (16, 1262481870), (20, 1009985496), (24, 841654580), (26, 776911920), (30, 673323664), (32, 631240935), (39, 517941280), (40, 504992748), (48, 420827290), (52, 388455960), (60, 336661832), (65, 310764768), (78, 258970640), (80, 252496374), (96, 210413645), (104, 194227980), (120, 168330916), (130, 155382384), (156, 129485320), (160, 126248187), (195, 103588256), (199, 101506080), (208, 97113990), (240, 84165458), (260, 77691192), (312, 64742660), (390, 51794128), (398, 50753040), (416, 48556995), (480, 42082729), (520, 38845596), (597, 33835360), (624, 32371330), (780, 25897064), (796, 25376520), (995, 20301216), (1040, 19422798), (1194, 16917680), (1248, 16185665), (1560, 12948532), (1592, 12688260), (1990, 10150608), (2080, 9711399), (2388, 8458840), (2587, 7808160), (2985, 6767072), (3120, 6474266), (3184, 6344130), (3980, 5075304), (4776, 4229420), (5174, 3904080), (5970, 3383536), (6240, 3237133), (6368, 3172065), (7761, 2602720), (7960, 2537652), (9552, 2114710), (10348, 1952040), (11940, 1691768), (12935, 1561632), (15522, 1301360), (15920, 1268826), (16267, 1241760), (19104, 1057355), (20696, 976020), (23880, 845884), (25870, 780816), (31044, 650680), (31840, 634413), (32534, 620880), (38805, 520544), (41392, 488010), (47760, 422942), (48801, 413920), (51740, 390408), (62088, 325340), (65068, 310440), (77610, 260272), (81335, 248352), (82784, 244005), (95520, 211471), (97602, 206960), (103480, 195204), (124176, 162670), (130136, 155220)]