20328328064

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{390209}}^1$

素因数の和:390271

約数の個数: 64

約数和(自身を含む): 45373618800

約数和(自身を除く): 25045290736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 407, 592, 704, 814, 1184, 1408, 1628, 2368, 3256, 4736, 6512, 13024, 26048, 52096, 390209, 780418, 1560836, 3121672, 4292299, 6243344, 8584598, 12486688, 14437733, 17169196, 24973376, 28875466, 34338392, 49946752, 57750932, 68676784, 115501864, 137353568, 158815063, 231003728, 274707136, 317630126, 462007456, 549414272, 635260252, 924014912, 1270520504, 1848029824, 2541041008, 5082082016, 10164164032, 20328328064]

約数ペア:

[(1, 20328328064), (2, 10164164032), (4, 5082082016), (8, 2541041008), (11, 1848029824), (16, 1270520504), (22, 924014912), (32, 635260252), (37, 549414272), (44, 462007456), (64, 317630126), (74, 274707136), (88, 231003728), (128, 158815063), (148, 137353568), (176, 115501864), (296, 68676784), (352, 57750932), (407, 49946752), (592, 34338392), (704, 28875466), (814, 24973376), (1184, 17169196), (1408, 14437733), (1628, 12486688), (2368, 8584598), (3256, 6243344), (4736, 4292299), (6512, 3121672), (13024, 1560836), (26048, 780418), (52096, 390209)]