20331320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 50155200

約数和(自身を除く): 29823880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1031, 1160, 1972, 2062, 2465, 3944, 4124, 4930, 5155, 8248, 9860, 10310, 17527, 19720, 20620, 29899, 35054, 41240, 59798, 70108, 87635, 119596, 140216, 149495, 175270, 239192, 298990, 350540, 508283, 597980, 701080, 1016566, 1195960, 2033132, 2541415, 4066264, 5082830, 10165660, 20331320]

約数ペア:

[(1, 20331320), (2, 10165660), (4, 5082830), (5, 4066264), (8, 2541415), (10, 2033132), (17, 1195960), (20, 1016566), (29, 701080), (34, 597980), (40, 508283), (58, 350540), (68, 298990), (85, 239192), (116, 175270), (136, 149495), (145, 140216), (170, 119596), (232, 87635), (290, 70108), (340, 59798), (493, 41240), (580, 35054), (680, 29899), (986, 20620), (1031, 19720), (1160, 17527), (1972, 10310), (2062, 9860), (2465, 8248), (3944, 5155), (4124, 4930)]