20984989320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2534419}}^1$

素因数の和:2534459

約数の個数: 96

約数和(自身を含む): 71166513600

約数和(自身を除く): 50181524280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 2534419, 5068838, 7603257, 10137676, 12672095, 15206514, 20275352, 22809771, 25344190, 30413028, 38016285, 45619542, 50688380, 58291637, 60826056, 76032570, 91239084, 101376760, 114048855, 116583274, 152065140, 174874911, 182478168, 228097710, 233166548, 291458185, 304130280, 349749822, 456195420, 466333096, 524624733, 582916370, 699499644, 874374555, 912390840, 1049249466, 1165832740, 1398999288, 1748749110, 2098498932, 2331665480, 2623123665, 3497498220, 4196997864, 5246247330, 6994996440, 10492494660, 20984989320]

約数ペア:

[(1, 20984989320), (2, 10492494660), (3, 6994996440), (4, 5246247330), (5, 4196997864), (6, 3497498220), (8, 2623123665), (9, 2331665480), (10, 2098498932), (12, 1748749110), (15, 1398999288), (18, 1165832740), (20, 1049249466), (23, 912390840), (24, 874374555), (30, 699499644), (36, 582916370), (40, 524624733), (45, 466333096), (46, 456195420), (60, 349749822), (69, 304130280), (72, 291458185), (90, 233166548), (92, 228097710), (115, 182478168), (120, 174874911), (138, 152065140), (180, 116583274), (184, 114048855), (207, 101376760), (230, 91239084), (276, 76032570), (345, 60826056), (360, 58291637), (414, 50688380), (460, 45619542), (552, 38016285), (690, 30413028), (828, 25344190), (920, 22809771), (1035, 20275352), (1380, 15206514), (1656, 12672095), (2070, 10137676), (2760, 7603257), (4140, 5068838), (8280, 2534419)]