20100794428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{619}}^1$

素因数の和:1068

約数の個数: 108

約数和(自身を含む): 42041241480

約数和(自身を除く): 21940447052

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 242, 286, 338, 397, 484, 572, 619, 676, 794, 1238, 1573, 1588, 1859, 2476, 3146, 3718, 4367, 5161, 6292, 6809, 7436, 8047, 8734, 10322, 13618, 16094, 17468, 20449, 20644, 27236, 32188, 40898, 48037, 56771, 67093, 74899, 81796, 88517, 96074, 104611, 113542, 134186, 149798, 177034, 192148, 209222, 227084, 245743, 268372, 299596, 354068, 418444, 491486, 624481, 738023, 973687, 982972, 1150721, 1248962, 1476046, 1947374, 2301442, 2497924, 2703173, 2952092, 3194659, 3894748, 4602884, 5406346, 6389318, 8118253, 10812692, 12657931, 12778636, 16236506, 25315862, 29734903, 32473012, 35141249, 41530567, 50631724, 59469806, 70282498, 83061134, 118939612, 140564996, 166122268, 386553739, 456836237, 773107478, 913672474, 1546214956, 1827344948, 5025198607, 10050397214, 20100794428]

約数ペア:

[(1, 20100794428), (2, 10050397214), (4, 5025198607), (11, 1827344948), (13, 1546214956), (22, 913672474), (26, 773107478), (44, 456836237), (52, 386553739), (121, 166122268), (143, 140564996), (169, 118939612), (242, 83061134), (286, 70282498), (338, 59469806), (397, 50631724), (484, 41530567), (572, 35141249), (619, 32473012), (676, 29734903), (794, 25315862), (1238, 16236506), (1573, 12778636), (1588, 12657931), (1859, 10812692), (2476, 8118253), (3146, 6389318), (3718, 5406346), (4367, 4602884), (5161, 3894748), (6292, 3194659), (6809, 2952092), (7436, 2703173), (8047, 2497924), (8734, 2301442), (10322, 1947374), (13618, 1476046), (16094, 1248962), (17468, 1150721), (20449, 982972), (20644, 973687), (27236, 738023), (32188, 624481), (40898, 491486), (48037, 418444), (56771, 354068), (67093, 299596), (74899, 268372), (81796, 245743), (88517, 227084), (96074, 209222), (104611, 192148), (113542, 177034), (134186, 149798)]