20179076528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{402551}}^1$

素因数の和:402813

約数の個数: 40

約数和(自身を含む): 42279231456

約数和(自身を除く): 22100154928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 241, 482, 964, 1928, 3133, 3856, 6266, 12532, 25064, 50128, 402551, 805102, 1610204, 3220408, 5233163, 6440816, 10466326, 20932652, 41865304, 83730608, 97014791, 194029582, 388059164, 776118328, 1261192283, 1552236656, 2522384566, 5044769132, 10089538264, 20179076528]

約数ペア:

[(1, 20179076528), (2, 10089538264), (4, 5044769132), (8, 2522384566), (13, 1552236656), (16, 1261192283), (26, 776118328), (52, 388059164), (104, 194029582), (208, 97014791), (241, 83730608), (482, 41865304), (964, 20932652), (1928, 10466326), (3133, 6440816), (3856, 5233163), (6266, 3220408), (12532, 1610204), (25064, 805102), (50128, 402551)]