20257281360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{6791}}^1$

素因数の和:8194

約数の個数: 160

約数和(自身を含む): 69835887360

約数和(自身を除く): 49578606000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 1381, 2160, 2762, 4143, 5524, 6791, 6905, 8286, 11048, 12429, 13582, 13810, 16572, 20373, 20715, 22096, 24858, 27164, 27620, 33144, 33955, 37287, 40746, 41430, 49716, 54328, 55240, 61119, 62145, 66288, 67910, 74574, 81492, 82860, 99432, 101865, 108656, 110480, 122238, 124290, 135820, 149148, 162984, 165720, 183357, 186435, 198864, 203730, 244476, 248580, 271640, 298296, 305595, 325968, 331440, 366714, 372870, 407460, 488952, 497160, 543280, 596592, 611190, 733428, 745740, 814920, 916785, 977904, 994320, 1222380, 1466856, 1491480, 1629840, 1833570, 2444760, 2933712, 2982960, 3667140, 4889520, 7334280, 9378371, 14668560, 18756742, 28135113, 37513484, 46891855, 56270226, 75026968, 84405339, 93783710, 112540452, 140675565, 150053936, 168810678, 187567420, 225080904, 253216017, 281351130, 337621356, 375134840, 422026695, 450161808, 506432034, 562702260, 675242712, 750269680, 844053390, 1012864068, 1125404520, 1266080085, 1350485424, 1688106780, 2025728136, 2250809040, 2532160170, 3376213560, 4051456272, 5064320340, 6752427120, 10128640680, 20257281360]

約数ペア:

[(1, 20257281360), (2, 10128640680), (3, 6752427120), (4, 5064320340), (5, 4051456272), (6, 3376213560), (8, 2532160170), (9, 2250809040), (10, 2025728136), (12, 1688106780), (15, 1350485424), (16, 1266080085), (18, 1125404520), (20, 1012864068), (24, 844053390), (27, 750269680), (30, 675242712), (36, 562702260), (40, 506432034), (45, 450161808), (48, 422026695), (54, 375134840), (60, 337621356), (72, 281351130), (80, 253216017), (90, 225080904), (108, 187567420), (120, 168810678), (135, 150053936), (144, 140675565), (180, 112540452), (216, 93783710), (240, 84405339), (270, 75026968), (360, 56270226), (432, 46891855), (540, 37513484), (720, 28135113), (1080, 18756742), (1381, 14668560), (2160, 9378371), (2762, 7334280), (4143, 4889520), (5524, 3667140), (6791, 2982960), (6905, 2933712), (8286, 2444760), (11048, 1833570), (12429, 1629840), (13582, 1491480), (13810, 1466856), (16572, 1222380), (20373, 994320), (20715, 977904), (22096, 916785), (24858, 814920), (27164, 745740), (27620, 733428), (33144, 611190), (33955, 596592), (37287, 543280), (40746, 497160), (41430, 488952), (49716, 407460), (54328, 372870), (55240, 366714), (61119, 331440), (62145, 325968), (66288, 305595), (67910, 298296), (74574, 271640), (81492, 248580), (82860, 244476), (99432, 203730), (101865, 198864), (108656, 186435), (110480, 183357), (122238, 165720), (124290, 162984), (135820, 149148)]