20455426240

素因数分解:

$2^6\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{50773}}^1$

素因数の和:52049

約数の個数: 56

約数和(自身を含む): 48749132880

約数和(自身を除く): 28293706640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1259, 2518, 5036, 6295, 10072, 12590, 20144, 25180, 40288, 50360, 50773, 80576, 100720, 101546, 201440, 203092, 253865, 402880, 406184, 507730, 812368, 1015460, 1624736, 2030920, 3249472, 4061840, 8123680, 16247360, 63923207, 127846414, 255692828, 319616035, 511385656, 639232070, 1022771312, 1278464140, 2045542624, 2556928280, 4091085248, 5113856560, 10227713120, 20455426240]

約数ペア:

[(1, 20455426240), (2, 10227713120), (4, 5113856560), (5, 4091085248), (8, 2556928280), (10, 2045542624), (16, 1278464140), (20, 1022771312), (32, 639232070), (40, 511385656), (64, 319616035), (80, 255692828), (160, 127846414), (320, 63923207), (1259, 16247360), (2518, 8123680), (5036, 4061840), (6295, 3249472), (10072, 2030920), (12590, 1624736), (20144, 1015460), (25180, 812368), (40288, 507730), (50360, 406184), (50773, 402880), (80576, 253865), (100720, 203092), (101546, 201440)]