20460248

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 23500072

約数列:

[1, 2, 4, 8, 17, 23, 31, 34, 46, 62, 68, 92, 124, 136, 184, 211, 248, 391, 422, 527, 713, 782, 844, 1054, 1426, 1564, 1688, 2108, 2852, 3128, 3587, 4216, 4853, 5704, 6541, 7174, 9706, 12121, 13082, 14348, 19412, 24242, 26164, 28696, 38824, 48484, 52328, 82501, 96968, 111197, 150443, 165002, 222394, 300886, 330004, 444788, 601772, 660008, 889576, 1203544, 2557531, 5115062, 10230124, 20460248]

約数ペア:

[(1, 20460248), (2, 10230124), (4, 5115062), (8, 2557531), (17, 1203544), (23, 889576), (31, 660008), (34, 601772), (46, 444788), (62, 330004), (68, 300886), (92, 222394), (124, 165002), (136, 150443), (184, 111197), (211, 96968), (248, 82501), (391, 52328), (422, 48484), (527, 38824), (713, 28696), (782, 26164), (844, 24242), (1054, 19412), (1426, 14348), (1564, 13082), (1688, 12121), (2108, 9706), (2852, 7174), (3128, 6541), (3587, 5704), (4216, 4853)]