20380080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1733}}^1$

素因数の和:1763

約数の個数: 120

約数和(自身を含む): 73535472

約数和(自身を除く): 53155392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1733, 1960, 2352, 2940, 3466, 3920, 5199, 5880, 6932, 8665, 10398, 11760, 12131, 13864, 17330, 20796, 24262, 25995, 27728, 34660, 36393, 41592, 48524, 51990, 60655, 69320, 72786, 83184, 84917, 97048, 103980, 121310, 138640, 145572, 169834, 181965, 194096, 207960, 242620, 254751, 291144, 339668, 363930, 415920, 424585, 485240, 509502, 582288, 679336, 727860, 849170, 970480, 1019004, 1273755, 1358672, 1455720, 1698340, 2038008, 2547510, 2911440, 3396680, 4076016, 5095020, 6793360, 10190040, 20380080]

約数ペア:

[(1, 20380080), (2, 10190040), (3, 6793360), (4, 5095020), (5, 4076016), (6, 3396680), (7, 2911440), (8, 2547510), (10, 2038008), (12, 1698340), (14, 1455720), (15, 1358672), (16, 1273755), (20, 1019004), (21, 970480), (24, 849170), (28, 727860), (30, 679336), (35, 582288), (40, 509502), (42, 485240), (48, 424585), (49, 415920), (56, 363930), (60, 339668), (70, 291144), (80, 254751), (84, 242620), (98, 207960), (105, 194096), (112, 181965), (120, 169834), (140, 145572), (147, 138640), (168, 121310), (196, 103980), (210, 97048), (240, 84917), (245, 83184), (280, 72786), (294, 69320), (336, 60655), (392, 51990), (420, 48524), (490, 41592), (560, 36393), (588, 34660), (735, 27728), (784, 25995), (840, 24262), (980, 20796), (1176, 17330), (1470, 13864), (1680, 12131), (1733, 11760), (1960, 10398), (2352, 8665), (2940, 6932), (3466, 5880), (3920, 5199)]