20121986310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{8171}}^1$

素因数の和:8330

約数の個数: 128

約数和(自身を含む): 52192014336

約数和(自身を除く): 32070028026

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 83, 86, 115, 129, 138, 166, 215, 230, 249, 258, 345, 415, 430, 498, 645, 690, 830, 989, 1245, 1290, 1909, 1978, 2490, 2967, 3569, 3818, 4945, 5727, 5934, 7138, 8171, 9545, 9890, 10707, 11454, 14835, 16342, 17845, 19090, 21414, 24513, 28635, 29670, 35690, 40855, 49026, 53535, 57270, 81710, 82087, 107070, 122565, 164174, 187933, 245130, 246261, 351353, 375866, 410435, 492522, 563799, 678193, 702706, 820870, 939665, 1054059, 1127598, 1231305, 1356386, 1756765, 1879330, 2034579, 2108118, 2462610, 2818995, 3390965, 3513530, 4069158, 5270295, 5637990, 6781930, 8081119, 10172895, 10540590, 15598439, 16162238, 20345790, 24243357, 29162299, 31196878, 40405595, 46795317, 48486714, 58324598, 77992195, 80811190, 87486897, 93590634, 121216785, 145811495, 155984390, 174973794, 233976585, 242433570, 291622990, 437434485, 467953170, 670732877, 874868970, 1341465754, 2012198631, 3353664385, 4024397262, 6707328770, 10060993155, 20121986310]

約数ペア:

[(1, 20121986310), (2, 10060993155), (3, 6707328770), (5, 4024397262), (6, 3353664385), (10, 2012198631), (15, 1341465754), (23, 874868970), (30, 670732877), (43, 467953170), (46, 437434485), (69, 291622990), (83, 242433570), (86, 233976585), (115, 174973794), (129, 155984390), (138, 145811495), (166, 121216785), (215, 93590634), (230, 87486897), (249, 80811190), (258, 77992195), (345, 58324598), (415, 48486714), (430, 46795317), (498, 40405595), (645, 31196878), (690, 29162299), (830, 24243357), (989, 20345790), (1245, 16162238), (1290, 15598439), (1909, 10540590), (1978, 10172895), (2490, 8081119), (2967, 6781930), (3569, 5637990), (3818, 5270295), (4945, 4069158), (5727, 3513530), (5934, 3390965), (7138, 2818995), (8171, 2462610), (9545, 2108118), (9890, 2034579), (10707, 1879330), (11454, 1756765), (14835, 1356386), (16342, 1231305), (17845, 1127598), (19090, 1054059), (21414, 939665), (24513, 820870), (28635, 702706), (29670, 678193), (35690, 563799), (40855, 492522), (49026, 410435), (53535, 375866), (57270, 351353), (81710, 246261), (82087, 245130), (107070, 187933), (122565, 164174)]