20345049972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{523763}}^1$

素因数の和:523869

約数の個数: 72

約数和(自身を含む): 56051128224

約数和(自身を除く): 35706078252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2158, 2988, 3237, 4316, 6474, 9711, 12948, 19422, 38844, 523763, 1047526, 1571289, 2095052, 3142578, 4713867, 6285156, 6808919, 9427734, 13617838, 18855468, 20426757, 27235676, 40853514, 43472329, 61280271, 81707028, 86944658, 122560542, 130416987, 173889316, 245121084, 260833974, 391250961, 521667948, 565140277, 782501922, 1130280554, 1565003844, 1695420831, 2260561108, 3390841662, 5086262493, 6781683324, 10172524986, 20345049972]

約数ペア:

[(1, 20345049972), (2, 10172524986), (3, 6781683324), (4, 5086262493), (6, 3390841662), (9, 2260561108), (12, 1695420831), (13, 1565003844), (18, 1130280554), (26, 782501922), (36, 565140277), (39, 521667948), (52, 391250961), (78, 260833974), (83, 245121084), (117, 173889316), (156, 130416987), (166, 122560542), (234, 86944658), (249, 81707028), (332, 61280271), (468, 43472329), (498, 40853514), (747, 27235676), (996, 20426757), (1079, 18855468), (1494, 13617838), (2158, 9427734), (2988, 6808919), (3237, 6285156), (4316, 4713867), (6474, 3142578), (9711, 2095052), (12948, 1571289), (19422, 1047526), (38844, 523763)]