20463664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2659}}^1$

素因数の和:2717

約数の個数: 40

約数和(自身を含む): 43868720

約数和(自身を除く): 23405056

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2659, 3848, 5318, 7696, 10636, 21272, 34567, 42544, 69134, 98383, 138268, 196766, 276536, 393532, 553072, 787064, 1278979, 1574128, 2557958, 5115916, 10231832, 20463664]

約数ペア:

[(1, 20463664), (2, 10231832), (4, 5115916), (8, 2557958), (13, 1574128), (16, 1278979), (26, 787064), (37, 553072), (52, 393532), (74, 276536), (104, 196766), (148, 138268), (208, 98383), (296, 69134), (481, 42544), (592, 34567), (962, 21272), (1924, 10636), (2659, 7696), (3848, 5318)]