20996834664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1004441}}^1$

素因数の和:1004530

約数の個数: 64

約数和(自身を含む): 57373727040

約数和(自身を除く): 36376892376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1608, 1742, 2613, 3484, 5226, 6968, 10452, 20904, 1004441, 2008882, 3013323, 4017764, 6026646, 8035528, 12053292, 13057733, 24106584, 26115466, 39173199, 52230932, 67297547, 78346398, 104461864, 134595094, 156692796, 201892641, 269190188, 313385592, 403785282, 538380376, 807570564, 874868111, 1615141128, 1749736222, 2624604333, 3499472444, 5249208666, 6998944888, 10498417332, 20996834664]

約数ペア:

[(1, 20996834664), (2, 10498417332), (3, 6998944888), (4, 5249208666), (6, 3499472444), (8, 2624604333), (12, 1749736222), (13, 1615141128), (24, 874868111), (26, 807570564), (39, 538380376), (52, 403785282), (67, 313385592), (78, 269190188), (104, 201892641), (134, 156692796), (156, 134595094), (201, 104461864), (268, 78346398), (312, 67297547), (402, 52230932), (536, 39173199), (804, 26115466), (871, 24106584), (1608, 13057733), (1742, 12053292), (2613, 8035528), (3484, 6026646), (5226, 4017764), (6968, 3013323), (10452, 2008882), (20904, 1004441)]