20163786615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{51581}}^1$

素因数の和:51689

約数の個数: 96

約数和(自身を含む): 42873307776

約数和(自身を除く): 22709521161

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 73, 85, 105, 119, 153, 219, 255, 315, 357, 365, 511, 595, 657, 765, 1071, 1095, 1241, 1533, 1785, 2555, 3285, 3723, 4599, 5355, 6205, 7665, 8687, 11169, 18615, 22995, 26061, 43435, 51581, 55845, 78183, 130305, 154743, 257905, 361067, 390915, 464229, 773715, 876877, 1083201, 1805335, 2321145, 2630631, 3249603, 3765413, 4384385, 5416005, 6138139, 7891893, 11296239, 13153155, 16248015, 18414417, 18827065, 26357891, 30690695, 33888717, 39459465, 55243251, 56481195, 64012021, 79073673, 92072085, 131789455, 169443585, 192036063, 237221019, 276216255, 320060105, 395368365, 448084147, 576108189, 960180315, 1186105095, 1344252441, 2240420735, 2880540945, 4032757323, 6721262205, 20163786615]

約数ペア:

[(1, 20163786615), (3, 6721262205), (5, 4032757323), (7, 2880540945), (9, 2240420735), (15, 1344252441), (17, 1186105095), (21, 960180315), (35, 576108189), (45, 448084147), (51, 395368365), (63, 320060105), (73, 276216255), (85, 237221019), (105, 192036063), (119, 169443585), (153, 131789455), (219, 92072085), (255, 79073673), (315, 64012021), (357, 56481195), (365, 55243251), (511, 39459465), (595, 33888717), (657, 30690695), (765, 26357891), (1071, 18827065), (1095, 18414417), (1241, 16248015), (1533, 13153155), (1785, 11296239), (2555, 7891893), (3285, 6138139), (3723, 5416005), (4599, 4384385), (5355, 3765413), (6205, 3249603), (7665, 2630631), (8687, 2321145), (11169, 1805335), (18615, 1083201), (22995, 876877), (26061, 773715), (43435, 464229), (51581, 390915), (55845, 361067), (78183, 257905), (130305, 154743)]