20217835716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1459}}^1\times {\mathrm{6833}}^1$

素因数の和:8325

約数の個数: 72

約数和(自身を含む): 51125427360

約数和(自身を除く): 30907591644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 1459, 2028, 2918, 4377, 5836, 6833, 8754, 13666, 17508, 18967, 20499, 27332, 37934, 40998, 56901, 75868, 81996, 88829, 113802, 177658, 227604, 246571, 266487, 355316, 493142, 532974, 739713, 986284, 1065948, 1154777, 1479426, 2309554, 2958852, 3464331, 4619108, 6928662, 9969347, 13857324, 19938694, 29908041, 39877388, 59816082, 119632164, 129601511, 259203022, 388804533, 518406044, 777609066, 1555218132, 1684819643, 3369639286, 5054458929, 6739278572, 10108917858, 20217835716]

約数ペア:

[(1, 20217835716), (2, 10108917858), (3, 6739278572), (4, 5054458929), (6, 3369639286), (12, 1684819643), (13, 1555218132), (26, 777609066), (39, 518406044), (52, 388804533), (78, 259203022), (156, 129601511), (169, 119632164), (338, 59816082), (507, 39877388), (676, 29908041), (1014, 19938694), (1459, 13857324), (2028, 9969347), (2918, 6928662), (4377, 4619108), (5836, 3464331), (6833, 2958852), (8754, 2309554), (13666, 1479426), (17508, 1154777), (18967, 1065948), (20499, 986284), (27332, 739713), (37934, 532974), (40998, 493142), (56901, 355316), (75868, 266487), (81996, 246571), (88829, 227604), (113802, 177658)]