20172541928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{3803}}^1$

素因数の和:4015

約数の個数: 128

約数和(自身を含む): 48204288000

約数和(自身を除く): 28031746072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 79, 88, 109, 154, 158, 218, 308, 316, 436, 553, 616, 632, 763, 869, 872, 1106, 1199, 1526, 1738, 2212, 2398, 3052, 3476, 3803, 4424, 4796, 6083, 6104, 6952, 7606, 8393, 8611, 9592, 12166, 15212, 16786, 17222, 24332, 26621, 30424, 33572, 34444, 41833, 48664, 53242, 60277, 67144, 68888, 83666, 94721, 106484, 120554, 167332, 189442, 212968, 241108, 292831, 300437, 334664, 378884, 414527, 482216, 585662, 600874, 663047, 757768, 829054, 1171324, 1201748, 1326094, 1658108, 2103059, 2342648, 2403496, 2652188, 2901689, 3304807, 3316216, 4206118, 4559797, 5304376, 5803378, 6609614, 8412236, 9119594, 11606756, 13219228, 16824472, 18239188, 23133649, 23213512, 26438456, 31918579, 32747633, 36478376, 46267298, 63837158, 65495266, 92534596, 127674316, 130990532, 185069192, 229233431, 255348632, 261981064, 360223963, 458466862, 720447926, 916933724, 1440895852, 1833867448, 2521567741, 2881791704, 5043135482, 10086270964, 20172541928]

約数ペア:

[(1, 20172541928), (2, 10086270964), (4, 5043135482), (7, 2881791704), (8, 2521567741), (11, 1833867448), (14, 1440895852), (22, 916933724), (28, 720447926), (44, 458466862), (56, 360223963), (77, 261981064), (79, 255348632), (88, 229233431), (109, 185069192), (154, 130990532), (158, 127674316), (218, 92534596), (308, 65495266), (316, 63837158), (436, 46267298), (553, 36478376), (616, 32747633), (632, 31918579), (763, 26438456), (869, 23213512), (872, 23133649), (1106, 18239188), (1199, 16824472), (1526, 13219228), (1738, 11606756), (2212, 9119594), (2398, 8412236), (3052, 6609614), (3476, 5803378), (3803, 5304376), (4424, 4559797), (4796, 4206118), (6083, 3316216), (6104, 3304807), (6952, 2901689), (7606, 2652188), (8393, 2403496), (8611, 2342648), (9592, 2103059), (12166, 1658108), (15212, 1326094), (16786, 1201748), (17222, 1171324), (24332, 829054), (26621, 757768), (30424, 663047), (33572, 600874), (34444, 585662), (41833, 482216), (48664, 414527), (53242, 378884), (60277, 334664), (67144, 300437), (68888, 292831), (83666, 241108), (94721, 212968), (106484, 189442), (120554, 167332)]