20121493440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20959889}}^1$

素因数の和:20959909

約数の個数: 56

約数和(自身を含む): 63885744720

約数和(自身を除く): 43764251280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20959889, 41919778, 62879667, 83839556, 104799445, 125759334, 167679112, 209598890, 251518668, 314398335, 335358224, 419197780, 503037336, 628796670, 670716448, 838395560, 1006074672, 1257593340, 1341432896, 1676791120, 2012149344, 2515186680, 3353582240, 4024298688, 5030373360, 6707164480, 10060746720, 20121493440]

約数ペア:

[(1, 20121493440), (2, 10060746720), (3, 6707164480), (4, 5030373360), (5, 4024298688), (6, 3353582240), (8, 2515186680), (10, 2012149344), (12, 1676791120), (15, 1341432896), (16, 1257593340), (20, 1006074672), (24, 838395560), (30, 670716448), (32, 628796670), (40, 503037336), (48, 419197780), (60, 335358224), (64, 314398335), (80, 251518668), (96, 209598890), (120, 167679112), (160, 125759334), (192, 104799445), (240, 83839556), (320, 62879667), (480, 41919778), (960, 20959889)]