20952204

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 61267248

約数和(自身を除く): 40315044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 2741, 3822, 5482, 7644, 8223, 10964, 16446, 19187, 32892, 35633, 38374, 57561, 71266, 76748, 106899, 115122, 134309, 142532, 213798, 230244, 249431, 268618, 402927, 427596, 498862, 537236, 748293, 805854, 997724, 1496586, 1611708, 1746017, 2993172, 3492034, 5238051, 6984068, 10476102, 20952204]

約数ペア:

[(1, 20952204), (2, 10476102), (3, 6984068), (4, 5238051), (6, 3492034), (7, 2993172), (12, 1746017), (13, 1611708), (14, 1496586), (21, 997724), (26, 805854), (28, 748293), (39, 537236), (42, 498862), (49, 427596), (52, 402927), (78, 268618), (84, 249431), (91, 230244), (98, 213798), (147, 142532), (156, 134309), (182, 115122), (196, 106899), (273, 76748), (294, 71266), (364, 57561), (546, 38374), (588, 35633), (637, 32892), (1092, 19187), (1274, 16446), (1911, 10964), (2548, 8223), (2741, 7644), (3822, 5482)]