20218894956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{3209}}^1\times {\mathrm{13463}}^1$

素因数の和:16695

約数の個数: 72

約数和(自身を含む): 55061566560

約数和(自身を除く): 34842671604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 3209, 6418, 9627, 12836, 13463, 19254, 26926, 28881, 38508, 40389, 41717, 53852, 57762, 80778, 83434, 115524, 121167, 125151, 161556, 166868, 175019, 242334, 250302, 350038, 375453, 484668, 500604, 525057, 700076, 750906, 1050114, 1501812, 1575171, 2100228, 3150342, 6300684, 43202767, 86405534, 129608301, 172811068, 259216602, 388824903, 518433204, 561635971, 777649806, 1123271942, 1555299612, 1684907913, 2246543884, 3369815826, 5054723739, 6739631652, 10109447478, 20218894956]

約数ペア:

[(1, 20218894956), (2, 10109447478), (3, 6739631652), (4, 5054723739), (6, 3369815826), (9, 2246543884), (12, 1684907913), (13, 1555299612), (18, 1123271942), (26, 777649806), (36, 561635971), (39, 518433204), (52, 388824903), (78, 259216602), (117, 172811068), (156, 129608301), (234, 86405534), (468, 43202767), (3209, 6300684), (6418, 3150342), (9627, 2100228), (12836, 1575171), (13463, 1501812), (19254, 1050114), (26926, 750906), (28881, 700076), (38508, 525057), (40389, 500604), (41717, 484668), (53852, 375453), (57762, 350038), (80778, 250302), (83434, 242334), (115524, 175019), (121167, 166868), (125151, 161556)]