20343776

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 42311808

約数和(自身を除く): 21968032

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 131, 184, 211, 262, 368, 422, 524, 736, 844, 1048, 1688, 2096, 3013, 3376, 4192, 4853, 6026, 6752, 9706, 12052, 19412, 24104, 27641, 38824, 48208, 55282, 77648, 96416, 110564, 155296, 221128, 442256, 635743, 884512, 1271486, 2542972, 5085944, 10171888, 20343776]

約数ペア:

[(1, 20343776), (2, 10171888), (4, 5085944), (8, 2542972), (16, 1271486), (23, 884512), (32, 635743), (46, 442256), (92, 221128), (131, 155296), (184, 110564), (211, 96416), (262, 77648), (368, 55282), (422, 48208), (524, 38824), (736, 27641), (844, 24104), (1048, 19412), (1688, 12052), (2096, 9706), (3013, 6752), (3376, 6026), (4192, 4853)]