20768904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22189}}^1$

素因数の和:22214

約数の個数: 48

約数和(自身を含む): 60578700

約数和(自身を除く): 39809796

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22189, 44378, 66567, 88756, 133134, 177512, 199701, 266268, 288457, 399402, 532536, 576914, 798804, 865371, 1153828, 1597608, 1730742, 2307656, 2596113, 3461484, 5192226, 6922968, 10384452, 20768904]

約数ペア:

[(1, 20768904), (2, 10384452), (3, 6922968), (4, 5192226), (6, 3461484), (8, 2596113), (9, 2307656), (12, 1730742), (13, 1597608), (18, 1153828), (24, 865371), (26, 798804), (36, 576914), (39, 532536), (52, 399402), (72, 288457), (78, 266268), (104, 199701), (117, 177512), (156, 133134), (234, 88756), (312, 66567), (468, 44378), (936, 22189)]