20245750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 25041674

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 503, 575, 805, 875, 1006, 1150, 1610, 1750, 2515, 2875, 3521, 4025, 5030, 5750, 7042, 8050, 11569, 12575, 17605, 20125, 23138, 25150, 35210, 40250, 57845, 62875, 80983, 88025, 115690, 125750, 161966, 176050, 289225, 404915, 440125, 578450, 809830, 880250, 1446125, 2024575, 2892250, 4049150, 10122875, 20245750]

約数ペア:

[(1, 20245750), (2, 10122875), (5, 4049150), (7, 2892250), (10, 2024575), (14, 1446125), (23, 880250), (25, 809830), (35, 578450), (46, 440125), (50, 404915), (70, 289225), (115, 176050), (125, 161966), (161, 125750), (175, 115690), (230, 88025), (250, 80983), (322, 62875), (350, 57845), (503, 40250), (575, 35210), (805, 25150), (875, 23138), (1006, 20125), (1150, 17605), (1610, 12575), (1750, 11569), (2515, 8050), (2875, 7042), (3521, 5750), (4025, 5030)]