20075220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10139}}^1$

素因数の和:10165

約数の個数: 72

約数和(自身を含む): 66437280

約数和(自身を除く): 46362060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10139, 20278, 30417, 40556, 50695, 60834, 91251, 101390, 111529, 121668, 152085, 182502, 202780, 223058, 304170, 334587, 365004, 446116, 456255, 557645, 608340, 669174, 912510, 1003761, 1115290, 1338348, 1672935, 1825020, 2007522, 2230580, 3345870, 4015044, 5018805, 6691740, 10037610, 20075220]

約数ペア:

[(1, 20075220), (2, 10037610), (3, 6691740), (4, 5018805), (5, 4015044), (6, 3345870), (9, 2230580), (10, 2007522), (11, 1825020), (12, 1672935), (15, 1338348), (18, 1115290), (20, 1003761), (22, 912510), (30, 669174), (33, 608340), (36, 557645), (44, 456255), (45, 446116), (55, 365004), (60, 334587), (66, 304170), (90, 223058), (99, 202780), (110, 182502), (132, 152085), (165, 121668), (180, 111529), (198, 101390), (220, 91251), (330, 60834), (396, 50695), (495, 40556), (660, 30417), (990, 20278), (1980, 10139)]