20201233600

素因数分解:

$2^6\times 5^2\times {\mathrm{977}}^1\times {\mathrm{12923}}^1$

素因数の和:13922

約数の個数: 84

約数和(自身を含む): 49762388664

約数和(自身を除く): 29561155064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 977, 1600, 1954, 3908, 4885, 7816, 9770, 12923, 15632, 19540, 24425, 25846, 31264, 39080, 48850, 51692, 62528, 64615, 78160, 97700, 103384, 129230, 156320, 195400, 206768, 258460, 312640, 323075, 390800, 413536, 516920, 646150, 781600, 827072, 1033840, 1292300, 1563200, 2067680, 2584600, 4135360, 5169200, 10338400, 12625771, 20676800, 25251542, 50503084, 63128855, 101006168, 126257710, 202012336, 252515420, 315644275, 404024672, 505030840, 631288550, 808049344, 1010061680, 1262577100, 2020123360, 2525154200, 4040246720, 5050308400, 10100616800, 20201233600]

約数ペア:

[(1, 20201233600), (2, 10100616800), (4, 5050308400), (5, 4040246720), (8, 2525154200), (10, 2020123360), (16, 1262577100), (20, 1010061680), (25, 808049344), (32, 631288550), (40, 505030840), (50, 404024672), (64, 315644275), (80, 252515420), (100, 202012336), (160, 126257710), (200, 101006168), (320, 63128855), (400, 50503084), (800, 25251542), (977, 20676800), (1600, 12625771), (1954, 10338400), (3908, 5169200), (4885, 4135360), (7816, 2584600), (9770, 2067680), (12923, 1563200), (15632, 1292300), (19540, 1033840), (24425, 827072), (25846, 781600), (31264, 646150), (39080, 516920), (48850, 413536), (51692, 390800), (62528, 323075), (64615, 312640), (78160, 258460), (97700, 206768), (103384, 195400), (129230, 156320)]