20485965240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4377343}}^1$

素因数の和:4377373

約数の個数: 96

約数和(自身を含む): 71700894720

約数和(自身を除く): 51214929480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 4377343, 8754686, 13132029, 17509372, 21886715, 26264058, 35018744, 39396087, 43773430, 52528116, 56905459, 65660145, 78792174, 87546860, 105056232, 113810918, 131320290, 157584348, 170716377, 175093720, 196980435, 227621836, 262640580, 284527295, 315168696, 341432754, 393960870, 455243672, 512149131, 525281160, 569054590, 682865508, 787921740, 853581885, 1024298262, 1138109180, 1365731016, 1575843480, 1707163770, 2048596524, 2276218360, 2560745655, 3414327540, 4097193048, 5121491310, 6828655080, 10242982620, 20485965240]

約数ペア:

[(1, 20485965240), (2, 10242982620), (3, 6828655080), (4, 5121491310), (5, 4097193048), (6, 3414327540), (8, 2560745655), (9, 2276218360), (10, 2048596524), (12, 1707163770), (13, 1575843480), (15, 1365731016), (18, 1138109180), (20, 1024298262), (24, 853581885), (26, 787921740), (30, 682865508), (36, 569054590), (39, 525281160), (40, 512149131), (45, 455243672), (52, 393960870), (60, 341432754), (65, 315168696), (72, 284527295), (78, 262640580), (90, 227621836), (104, 196980435), (117, 175093720), (120, 170716377), (130, 157584348), (156, 131320290), (180, 113810918), (195, 105056232), (234, 87546860), (260, 78792174), (312, 65660145), (360, 56905459), (390, 52528116), (468, 43773430), (520, 39396087), (585, 35018744), (780, 26264058), (936, 21886715), (1170, 17509372), (1560, 13132029), (2340, 8754686), (4680, 4377343)]