20977488240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87406201}}^1$

素因数の和:87406217

約数の個数: 40

約数和(自身を含む): 65030214288

約数和(自身を除く): 44052726048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87406201, 174812402, 262218603, 349624804, 437031005, 524437206, 699249608, 874062010, 1048874412, 1311093015, 1398499216, 1748124020, 2097748824, 2622186030, 3496248040, 4195497648, 5244372060, 6992496080, 10488744120, 20977488240]

約数ペア:

[(1, 20977488240), (2, 10488744120), (3, 6992496080), (4, 5244372060), (5, 4195497648), (6, 3496248040), (8, 2622186030), (10, 2097748824), (12, 1748124020), (15, 1398499216), (16, 1311093015), (20, 1048874412), (24, 874062010), (30, 699249608), (40, 524437206), (48, 437031005), (60, 349624804), (80, 262218603), (120, 174812402), (240, 87406201)]