20005937296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1\times {\mathrm{1229}}^1$

素因数の和:2192

約数の個数: 80

約数和(自身を含む): 41173079040

約数和(自身を除く): 21167141744

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 887, 1147, 1229, 1774, 2294, 2458, 3548, 4588, 4916, 7096, 9176, 9832, 14192, 18352, 19664, 27497, 32819, 38099, 45473, 54994, 65638, 76198, 90946, 109988, 131276, 152396, 181892, 219976, 262552, 304792, 363784, 439952, 525104, 609584, 727568, 1017389, 1090123, 1409663, 2034778, 2180246, 2819326, 4069556, 4360492, 5638652, 8139112, 8720984, 11277304, 16278224, 17441968, 22554608, 33793813, 40334551, 67587626, 80669102, 135175252, 161338204, 270350504, 322676408, 540701008, 645352816, 1250371081, 2500742162, 5001484324, 10002968648, 20005937296]

約数ペア:

[(1, 20005937296), (2, 10002968648), (4, 5001484324), (8, 2500742162), (16, 1250371081), (31, 645352816), (37, 540701008), (62, 322676408), (74, 270350504), (124, 161338204), (148, 135175252), (248, 80669102), (296, 67587626), (496, 40334551), (592, 33793813), (887, 22554608), (1147, 17441968), (1229, 16278224), (1774, 11277304), (2294, 8720984), (2458, 8139112), (3548, 5638652), (4588, 4360492), (4916, 4069556), (7096, 2819326), (9176, 2180246), (9832, 2034778), (14192, 1409663), (18352, 1090123), (19664, 1017389), (27497, 727568), (32819, 609584), (38099, 525104), (45473, 439952), (54994, 363784), (65638, 304792), (76198, 262552), (90946, 219976), (109988, 181892), (131276, 152396)]