20012096

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 23513344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 359, 416, 536, 718, 832, 871, 1072, 1436, 1742, 2144, 2872, 3484, 4288, 4667, 5744, 6968, 9334, 11488, 13936, 18668, 22976, 24053, 27872, 37336, 48106, 55744, 74672, 96212, 149344, 192424, 298688, 312689, 384848, 625378, 769696, 1250756, 1539392, 2501512, 5003024, 10006048, 20012096]

約数ペア:

[(1, 20012096), (2, 10006048), (4, 5003024), (8, 2501512), (13, 1539392), (16, 1250756), (26, 769696), (32, 625378), (52, 384848), (64, 312689), (67, 298688), (104, 192424), (134, 149344), (208, 96212), (268, 74672), (359, 55744), (416, 48106), (536, 37336), (718, 27872), (832, 24053), (871, 22976), (1072, 18668), (1436, 13936), (1742, 11488), (2144, 9334), (2872, 6968), (3484, 5744), (4288, 4667)]