20318752

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 43968960

約数和(自身を除く): 23650208

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1453, 1748, 2906, 3496, 5812, 6992, 11624, 13984, 23248, 27607, 33419, 46496, 55214, 66838, 110428, 133676, 220856, 267352, 441712, 534704, 634961, 883424, 1069408, 1269922, 2539844, 5079688, 10159376, 20318752]

約数ペア:

[(1, 20318752), (2, 10159376), (4, 5079688), (8, 2539844), (16, 1269922), (19, 1069408), (23, 883424), (32, 634961), (38, 534704), (46, 441712), (76, 267352), (92, 220856), (152, 133676), (184, 110428), (304, 66838), (368, 55214), (437, 46496), (608, 33419), (736, 27607), (874, 23248), (1453, 13984), (1748, 11624), (2906, 6992), (3496, 5812)]