20458048

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 56

約数和(自身を含む): 44492672

約数和(自身を除く): 24034624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 134, 208, 268, 367, 416, 536, 734, 832, 871, 1072, 1468, 1742, 2144, 2936, 3484, 4288, 4771, 5872, 6968, 9542, 11744, 13936, 19084, 23488, 24589, 27872, 38168, 49178, 55744, 76336, 98356, 152672, 196712, 305344, 319657, 393424, 639314, 786848, 1278628, 1573696, 2557256, 5114512, 10229024, 20458048]

約数ペア:

[(1, 20458048), (2, 10229024), (4, 5114512), (8, 2557256), (13, 1573696), (16, 1278628), (26, 786848), (32, 639314), (52, 393424), (64, 319657), (67, 305344), (104, 196712), (134, 152672), (208, 98356), (268, 76336), (367, 55744), (416, 49178), (536, 38168), (734, 27872), (832, 24589), (871, 23488), (1072, 19084), (1468, 13936), (1742, 11744), (2144, 9542), (2936, 6968), (3484, 5872), (4288, 4771)]