20211448712

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1\times {\mathrm{18521}}^1$

素因数の和:20046

約数の個数: 64

約数和(自身を含む): 46675440000

約数和(自身を除く): 26463991288

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1499, 2998, 5996, 10493, 11992, 18521, 19487, 20986, 37042, 38974, 41972, 74084, 77948, 83944, 129647, 136409, 148168, 155896, 240773, 259294, 272818, 481546, 518588, 545636, 963092, 1037176, 1091272, 1685411, 1926184, 3370822, 6741644, 13483288, 27762979, 55525958, 111051916, 194340853, 222103832, 360918727, 388681706, 721837454, 777363412, 1443674908, 1554726824, 2526431089, 2887349816, 5052862178, 10105724356, 20211448712]

約数ペア:

[(1, 20211448712), (2, 10105724356), (4, 5052862178), (7, 2887349816), (8, 2526431089), (13, 1554726824), (14, 1443674908), (26, 777363412), (28, 721837454), (52, 388681706), (56, 360918727), (91, 222103832), (104, 194340853), (182, 111051916), (364, 55525958), (728, 27762979), (1499, 13483288), (2998, 6741644), (5996, 3370822), (10493, 1926184), (11992, 1685411), (18521, 1091272), (19487, 1037176), (20986, 963092), (37042, 545636), (38974, 518588), (41972, 481546), (74084, 272818), (77948, 259294), (83944, 240773), (129647, 155896), (136409, 148168)]