20912155320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3556489}}^1$

素因数の和:3556517

約数の個数: 96

約数和(自身を含む): 72979174800

約数和(自身を除く): 52067019480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 3556489, 7112978, 10669467, 14225956, 17782445, 21338934, 24895423, 28451912, 35564890, 42677868, 49790846, 53347335, 71129780, 74686269, 85355736, 99581692, 106694670, 124477115, 142259560, 149372538, 174267961, 199163384, 213389340, 248954230, 298745076, 348535922, 373431345, 426778680, 497908460, 522803883, 597490152, 697071844, 746862690, 871339805, 995816920, 1045607766, 1394143688, 1493725380, 1742679610, 2091215532, 2614019415, 2987450760, 3485359220, 4182431064, 5228038830, 6970718440, 10456077660, 20912155320]

約数ペア:

[(1, 20912155320), (2, 10456077660), (3, 6970718440), (4, 5228038830), (5, 4182431064), (6, 3485359220), (7, 2987450760), (8, 2614019415), (10, 2091215532), (12, 1742679610), (14, 1493725380), (15, 1394143688), (20, 1045607766), (21, 995816920), (24, 871339805), (28, 746862690), (30, 697071844), (35, 597490152), (40, 522803883), (42, 497908460), (49, 426778680), (56, 373431345), (60, 348535922), (70, 298745076), (84, 248954230), (98, 213389340), (105, 199163384), (120, 174267961), (140, 149372538), (147, 142259560), (168, 124477115), (196, 106694670), (210, 99581692), (245, 85355736), (280, 74686269), (294, 71129780), (392, 53347335), (420, 49790846), (490, 42677868), (588, 35564890), (735, 28451912), (840, 24895423), (980, 21338934), (1176, 17782445), (1470, 14225956), (1960, 10669467), (2940, 7112978), (5880, 3556489)]