20163949718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{1913}}^1$

素因数の和:2549

約数の個数: 64

約数和(自身を含む): 35442012672

約数和(自身を除く): 15278062954

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 563, 814, 851, 1126, 1702, 1913, 3826, 6193, 9361, 12386, 12949, 18722, 20831, 21043, 25898, 41662, 42086, 43999, 70781, 87998, 141562, 142439, 229141, 284878, 458282, 479113, 483989, 778591, 958226, 967978, 1077019, 1557182, 1627963, 2154038, 3255926, 5270243, 10540486, 11847209, 17907593, 23694418, 24771437, 35815186, 39849703, 49542874, 79699406, 272485807, 438346733, 544971614, 876693466, 916543169, 1833086338, 10081974859, 20163949718]

約数ペア:

[(1, 20163949718), (2, 10081974859), (11, 1833086338), (22, 916543169), (23, 876693466), (37, 544971614), (46, 438346733), (74, 272485807), (253, 79699406), (407, 49542874), (506, 39849703), (563, 35815186), (814, 24771437), (851, 23694418), (1126, 17907593), (1702, 11847209), (1913, 10540486), (3826, 5270243), (6193, 3255926), (9361, 2154038), (12386, 1627963), (12949, 1557182), (18722, 1077019), (20831, 967978), (21043, 958226), (25898, 778591), (41662, 483989), (42086, 479113), (43999, 458282), (70781, 284878), (87998, 229141), (141562, 142439)]