20080560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2699}}^1$

素因数の和:2746

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 44201040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2699, 3720, 5398, 7440, 8097, 10796, 13495, 16194, 21592, 26990, 32388, 40485, 43184, 53980, 64776, 80970, 83669, 107960, 129552, 161940, 167338, 215920, 251007, 323880, 334676, 418345, 502014, 647760, 669352, 836690, 1004028, 1255035, 1338704, 1673380, 2008056, 2510070, 3346760, 4016112, 5020140, 6693520, 10040280, 20080560]

約数ペア:

[(1, 20080560), (2, 10040280), (3, 6693520), (4, 5020140), (5, 4016112), (6, 3346760), (8, 2510070), (10, 2008056), (12, 1673380), (15, 1338704), (16, 1255035), (20, 1004028), (24, 836690), (30, 669352), (31, 647760), (40, 502014), (48, 418345), (60, 334676), (62, 323880), (80, 251007), (93, 215920), (120, 167338), (124, 161940), (155, 129552), (186, 107960), (240, 83669), (248, 80970), (310, 64776), (372, 53980), (465, 43184), (496, 40485), (620, 32388), (744, 26990), (930, 21592), (1240, 16194), (1488, 13495), (1860, 10796), (2480, 8097), (2699, 7440), (3720, 5398)]