20605764

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28927356

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 179, 181, 212, 318, 358, 362, 537, 543, 636, 716, 724, 1074, 1086, 2148, 2172, 9487, 9593, 18974, 19186, 28461, 28779, 32399, 37948, 38372, 56922, 57558, 64798, 97197, 113844, 115116, 129596, 194394, 388788, 1717147, 3434294, 5151441, 6868588, 10302882, 20605764]

約数ペア:

[(1, 20605764), (2, 10302882), (3, 6868588), (4, 5151441), (6, 3434294), (12, 1717147), (53, 388788), (106, 194394), (159, 129596), (179, 115116), (181, 113844), (212, 97197), (318, 64798), (358, 57558), (362, 56922), (537, 38372), (543, 37948), (636, 32399), (716, 28779), (724, 28461), (1074, 19186), (1086, 18974), (2148, 9593), (2172, 9487)]