20214750140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{63781}}^1$

素因数の和:63879

約数の個数: 96

約数和(自身を含む): 48604945536

約数和(自身を除く): 28390195396

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 53, 65, 92, 106, 115, 130, 212, 230, 260, 265, 299, 460, 530, 598, 689, 1060, 1196, 1219, 1378, 1495, 2438, 2756, 2990, 3445, 4876, 5980, 6095, 6890, 12190, 13780, 15847, 24380, 31694, 63388, 63781, 79235, 127562, 158470, 255124, 316940, 318905, 637810, 829153, 1275620, 1466963, 1658306, 2933926, 3316612, 3380393, 4145765, 5867852, 6760786, 7334815, 8291530, 13521572, 14669630, 16583060, 16901965, 19070519, 29339260, 33803930, 38141038, 43945109, 67607860, 76282076, 77749039, 87890218, 95352595, 155498078, 175780436, 190705190, 219725545, 310996156, 381410380, 388745195, 439451090, 777490390, 878902180, 1010737507, 1554980780, 2021475014, 4042950028, 5053687535, 10107375070, 20214750140]

約数ペア:

[(1, 20214750140), (2, 10107375070), (4, 5053687535), (5, 4042950028), (10, 2021475014), (13, 1554980780), (20, 1010737507), (23, 878902180), (26, 777490390), (46, 439451090), (52, 388745195), (53, 381410380), (65, 310996156), (92, 219725545), (106, 190705190), (115, 175780436), (130, 155498078), (212, 95352595), (230, 87890218), (260, 77749039), (265, 76282076), (299, 67607860), (460, 43945109), (530, 38141038), (598, 33803930), (689, 29339260), (1060, 19070519), (1196, 16901965), (1219, 16583060), (1378, 14669630), (1495, 13521572), (2438, 8291530), (2756, 7334815), (2990, 6760786), (3445, 5867852), (4876, 4145765), (5980, 3380393), (6095, 3316612), (6890, 2933926), (12190, 1658306), (13780, 1466963), (15847, 1275620), (24380, 829153), (31694, 637810), (63388, 318905), (63781, 316940), (79235, 255124), (127562, 158470)]