20454953172

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{88591}}^1$

素因数の和:88940

約数の個数: 48

約数和(自身を含む): 48579600384

約数和(自身を除く): 28124647212

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 271, 284, 426, 542, 813, 852, 1084, 1626, 3252, 19241, 38482, 57723, 76964, 88591, 115446, 177182, 230892, 265773, 354364, 531546, 1063092, 6289961, 12579922, 18869883, 24008161, 25159844, 37739766, 48016322, 72024483, 75479532, 96032644, 144048966, 288097932, 1704579431, 3409158862, 5113738293, 6818317724, 10227476586, 20454953172]

約数ペア:

[(1, 20454953172), (2, 10227476586), (3, 6818317724), (4, 5113738293), (6, 3409158862), (12, 1704579431), (71, 288097932), (142, 144048966), (213, 96032644), (271, 75479532), (284, 72024483), (426, 48016322), (542, 37739766), (813, 25159844), (852, 24008161), (1084, 18869883), (1626, 12579922), (3252, 6289961), (19241, 1063092), (38482, 531546), (57723, 354364), (76964, 265773), (88591, 230892), (115446, 177182)]