20067086060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{77521}}^1$

素因数の和:77623

約数の個数: 72

約数和(自身を含む): 49307713056

約数和(自身を除く): 29240626996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 1849, 3010, 3698, 6020, 7396, 9245, 12943, 18490, 25886, 36980, 51772, 64715, 77521, 129430, 155042, 258860, 310084, 387605, 542647, 775210, 1085294, 1550420, 2170588, 2713235, 3333403, 5426470, 6666806, 10852940, 13333612, 16667015, 23333821, 33334030, 46667642, 66668060, 93335284, 116669105, 143336329, 233338210, 286672658, 466676420, 573345316, 716681645, 1003354303, 1433363290, 2006708606, 2866726580, 4013417212, 5016771515, 10033543030, 20067086060]

約数ペア:

[(1, 20067086060), (2, 10033543030), (4, 5016771515), (5, 4013417212), (7, 2866726580), (10, 2006708606), (14, 1433363290), (20, 1003354303), (28, 716681645), (35, 573345316), (43, 466676420), (70, 286672658), (86, 233338210), (140, 143336329), (172, 116669105), (215, 93335284), (301, 66668060), (430, 46667642), (602, 33334030), (860, 23333821), (1204, 16667015), (1505, 13333612), (1849, 10852940), (3010, 6666806), (3698, 5426470), (6020, 3333403), (7396, 2713235), (9245, 2170588), (12943, 1550420), (18490, 1085294), (25886, 775210), (36980, 542647), (51772, 387605), (64715, 310084), (77521, 258860), (129430, 155042)]