20188454958

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{51503}}^1$

素因数の和:51599

約数の個数: 128

約数和(自身を含む): 55179325440

約数和(自身を除く): 34990870482

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 61, 63, 102, 119, 122, 126, 153, 183, 189, 238, 306, 357, 366, 378, 427, 459, 549, 714, 854, 918, 1037, 1071, 1098, 1281, 1647, 2074, 2142, 2562, 3111, 3213, 3294, 3843, 6222, 6426, 7259, 7686, 9333, 11529, 14518, 18666, 21777, 23058, 27999, 43554, 51503, 55998, 65331, 103006, 130662, 154509, 195993, 309018, 360521, 391986, 463527, 721042, 875551, 927054, 1081563, 1390581, 1751102, 2163126, 2626653, 2781162, 3141683, 3244689, 5253306, 6128857, 6283366, 6489378, 7879959, 9425049, 9734067, 12257714, 15759918, 18386571, 18850098, 19468134, 21991781, 23639877, 28275147, 36773142, 43983562, 47279754, 53408611, 55159713, 56550294, 65975343, 84825441, 106817222, 110319426, 131950686, 160225833, 165479139, 169650882, 197926029, 320451666, 330958278, 373860277, 395852058, 480677499, 593778087, 747720554, 961354998, 1121580831, 1187556174, 1442032497, 2243161662, 2884064994, 3364742493, 6729484986, 10094227479, 20188454958]

約数ペア:

[(1, 20188454958), (2, 10094227479), (3, 6729484986), (6, 3364742493), (7, 2884064994), (9, 2243161662), (14, 1442032497), (17, 1187556174), (18, 1121580831), (21, 961354998), (27, 747720554), (34, 593778087), (42, 480677499), (51, 395852058), (54, 373860277), (61, 330958278), (63, 320451666), (102, 197926029), (119, 169650882), (122, 165479139), (126, 160225833), (153, 131950686), (183, 110319426), (189, 106817222), (238, 84825441), (306, 65975343), (357, 56550294), (366, 55159713), (378, 53408611), (427, 47279754), (459, 43983562), (549, 36773142), (714, 28275147), (854, 23639877), (918, 21991781), (1037, 19468134), (1071, 18850098), (1098, 18386571), (1281, 15759918), (1647, 12257714), (2074, 9734067), (2142, 9425049), (2562, 7879959), (3111, 6489378), (3213, 6283366), (3294, 6128857), (3843, 5253306), (6222, 3244689), (6426, 3141683), (7259, 2781162), (7686, 2626653), (9333, 2163126), (11529, 1751102), (14518, 1390581), (18666, 1081563), (21777, 927054), (23058, 875551), (27999, 721042), (43554, 463527), (51503, 391986), (55998, 360521), (65331, 309018), (103006, 195993), (130662, 154509)]