20176834685

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{4079}}^1$

素因数の和:4266

約数の個数: 64

約数和(自身を含む): 29479403520

約数和(自身を除く): 9302568835

約数列:

[1, 5, 7, 31, 35, 47, 97, 155, 217, 235, 329, 485, 679, 1085, 1457, 1645, 3007, 3395, 4079, 4559, 7285, 10199, 15035, 20395, 21049, 22795, 28553, 31913, 50995, 105245, 126449, 141329, 142765, 159565, 191713, 395663, 632245, 706645, 885143, 958565, 989303, 1341991, 1978315, 2769641, 4425715, 4946515, 5943103, 6709955, 12265553, 13848205, 18596161, 29715515, 41601721, 61327765, 85858871, 92980805, 130173127, 208008605, 429294355, 576480991, 650865635, 2882404955, 4035366937, 20176834685]

約数ペア:

[(1, 20176834685), (5, 4035366937), (7, 2882404955), (31, 650865635), (35, 576480991), (47, 429294355), (97, 208008605), (155, 130173127), (217, 92980805), (235, 85858871), (329, 61327765), (485, 41601721), (679, 29715515), (1085, 18596161), (1457, 13848205), (1645, 12265553), (3007, 6709955), (3395, 5943103), (4079, 4946515), (4559, 4425715), (7285, 2769641), (10199, 1978315), (15035, 1341991), (20395, 989303), (21049, 958565), (22795, 885143), (28553, 706645), (31913, 632245), (50995, 395663), (105245, 191713), (126449, 159565), (141329, 142765)]