20346717820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{547249}}^1$

素因数の和:547295

約数の個数: 72

約数和(自身を含む): 50473962000

約数和(自身を除く): 30127244180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 7436, 9295, 18590, 37180, 547249, 1094498, 2188996, 2736245, 5472490, 6019739, 7114237, 10944980, 12039478, 14228474, 24078956, 28456948, 30098695, 35571185, 60197390, 71142370, 78256607, 92485081, 120394780, 142284740, 156513214, 184970162, 313026428, 369940324, 391283035, 462425405, 782566070, 924850810, 1017335891, 1565132140, 1849701620, 2034671782, 4069343564, 5086679455, 10173358910, 20346717820]

約数ペア:

[(1, 20346717820), (2, 10173358910), (4, 5086679455), (5, 4069343564), (10, 2034671782), (11, 1849701620), (13, 1565132140), (20, 1017335891), (22, 924850810), (26, 782566070), (44, 462425405), (52, 391283035), (55, 369940324), (65, 313026428), (110, 184970162), (130, 156513214), (143, 142284740), (169, 120394780), (220, 92485081), (260, 78256607), (286, 71142370), (338, 60197390), (572, 35571185), (676, 30098695), (715, 28456948), (845, 24078956), (1430, 14228474), (1690, 12039478), (1859, 10944980), (2860, 7114237), (3380, 6019739), (3718, 5472490), (7436, 2736245), (9295, 2188996), (18590, 1094498), (37180, 547249)]