20705417504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{4421}}^1\times {\mathrm{7703}}^1$

素因数の和:12153

約数の個数: 48

約数和(自身を含む): 42924530880

約数和(自身を除く): 22219113376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 4421, 7703, 8842, 15406, 17684, 30812, 35368, 61624, 70736, 83999, 123248, 141472, 146357, 167998, 246496, 292714, 335996, 585428, 671992, 1170856, 1343984, 2341712, 2687968, 4683424, 34054963, 68109926, 136219852, 272439704, 544879408, 647044297, 1089758816, 1294088594, 2588177188, 5176354376, 10352708752, 20705417504]

約数ペア:

[(1, 20705417504), (2, 10352708752), (4, 5176354376), (8, 2588177188), (16, 1294088594), (19, 1089758816), (32, 647044297), (38, 544879408), (76, 272439704), (152, 136219852), (304, 68109926), (608, 34054963), (4421, 4683424), (7703, 2687968), (8842, 2341712), (15406, 1343984), (17684, 1170856), (30812, 671992), (35368, 585428), (61624, 335996), (70736, 292714), (83999, 246496), (123248, 167998), (141472, 146357)]