20292910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:601

約数の個数: 48

約数和(自身を含む): 41521536

約数和(自身を除く): 21228626

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 541, 605, 682, 1082, 1210, 1705, 2705, 3410, 3751, 5410, 5951, 7502, 11902, 16771, 18755, 29755, 33542, 37510, 59510, 65461, 83855, 130922, 167710, 184481, 327305, 368962, 654610, 922405, 1844810, 2029291, 4058582, 10146455, 20292910]

約数ペア:

[(1, 20292910), (2, 10146455), (5, 4058582), (10, 2029291), (11, 1844810), (22, 922405), (31, 654610), (55, 368962), (62, 327305), (110, 184481), (121, 167710), (155, 130922), (242, 83855), (310, 65461), (341, 59510), (541, 37510), (605, 33542), (682, 29755), (1082, 18755), (1210, 16771), (1705, 11902), (2705, 7502), (3410, 5951), (3751, 5410)]