20313360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:425

約数の個数: 120

約数和(自身を含む): 69203160

約数和(自身を除く): 48889800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 240, 267, 317, 356, 360, 445, 534, 634, 712, 720, 801, 890, 951, 1068, 1268, 1335, 1424, 1585, 1602, 1780, 1902, 2136, 2536, 2670, 2853, 3170, 3204, 3560, 3804, 4005, 4272, 4755, 5072, 5340, 5706, 6340, 6408, 7120, 7608, 8010, 9510, 10680, 11412, 12680, 12816, 14265, 15216, 16020, 19020, 21360, 22824, 25360, 28213, 28530, 32040, 38040, 45648, 56426, 57060, 64080, 76080, 84639, 112852, 114120, 141065, 169278, 225704, 228240, 253917, 282130, 338556, 423195, 451408, 507834, 564260, 677112, 846390, 1015668, 1128520, 1269585, 1354224, 1692780, 2031336, 2257040, 2539170, 3385560, 4062672, 5078340, 6771120, 10156680, 20313360]

約数ペア:

[(1, 20313360), (2, 10156680), (3, 6771120), (4, 5078340), (5, 4062672), (6, 3385560), (8, 2539170), (9, 2257040), (10, 2031336), (12, 1692780), (15, 1354224), (16, 1269585), (18, 1128520), (20, 1015668), (24, 846390), (30, 677112), (36, 564260), (40, 507834), (45, 451408), (48, 423195), (60, 338556), (72, 282130), (80, 253917), (89, 228240), (90, 225704), (120, 169278), (144, 141065), (178, 114120), (180, 112852), (240, 84639), (267, 76080), (317, 64080), (356, 57060), (360, 56426), (445, 45648), (534, 38040), (634, 32040), (712, 28530), (720, 28213), (801, 25360), (890, 22824), (951, 21360), (1068, 19020), (1268, 16020), (1335, 15216), (1424, 14265), (1585, 12816), (1602, 12680), (1780, 11412), (1902, 10680), (2136, 9510), (2536, 8010), (2670, 7608), (2853, 7120), (3170, 6408), (3204, 6340), (3560, 5706), (3804, 5340), (4005, 5072), (4272, 4755)]