20348224

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 56

約数和(自身を含む): 44727368

約数和(自身を除く): 24379144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 661, 832, 962, 1184, 1322, 1924, 2368, 2644, 3848, 5288, 7696, 8593, 10576, 15392, 17186, 21152, 24457, 30784, 34372, 42304, 48914, 68744, 97828, 137488, 195656, 274976, 317941, 391312, 549952, 635882, 782624, 1271764, 1565248, 2543528, 5087056, 10174112, 20348224]

約数ペア:

[(1, 20348224), (2, 10174112), (4, 5087056), (8, 2543528), (13, 1565248), (16, 1271764), (26, 782624), (32, 635882), (37, 549952), (52, 391312), (64, 317941), (74, 274976), (104, 195656), (148, 137488), (208, 97828), (296, 68744), (416, 48914), (481, 42304), (592, 34372), (661, 30784), (832, 24457), (962, 21152), (1184, 17186), (1322, 15392), (1924, 10576), (2368, 8593), (2644, 7696), (3848, 5288)]