20680596

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 37864044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 71, 81, 87, 93, 108, 116, 124, 142, 162, 174, 186, 213, 261, 279, 284, 324, 348, 372, 426, 522, 558, 639, 783, 837, 852, 899, 1044, 1116, 1278, 1566, 1674, 1798, 1917, 2059, 2201, 2349, 2511, 2556, 2697, 3132, 3348, 3596, 3834, 4118, 4402, 4698, 5022, 5394, 5751, 6177, 6603, 7668, 8091, 8236, 8804, 9396, 10044, 10788, 11502, 12354, 13206, 16182, 18531, 19809, 23004, 24273, 24708, 26412, 32364, 37062, 39618, 48546, 55593, 59427, 63829, 72819, 74124, 79236, 97092, 111186, 118854, 127658, 145638, 166779, 178281, 191487, 222372, 237708, 255316, 291276, 333558, 356562, 382974, 574461, 667116, 713124, 765948, 1148922, 1723383, 2297844, 3446766, 5170149, 6893532, 10340298, 20680596]

約数ペア:

[(1, 20680596), (2, 10340298), (3, 6893532), (4, 5170149), (6, 3446766), (9, 2297844), (12, 1723383), (18, 1148922), (27, 765948), (29, 713124), (31, 667116), (36, 574461), (54, 382974), (58, 356562), (62, 333558), (71, 291276), (81, 255316), (87, 237708), (93, 222372), (108, 191487), (116, 178281), (124, 166779), (142, 145638), (162, 127658), (174, 118854), (186, 111186), (213, 97092), (261, 79236), (279, 74124), (284, 72819), (324, 63829), (348, 59427), (372, 55593), (426, 48546), (522, 39618), (558, 37062), (639, 32364), (783, 26412), (837, 24708), (852, 24273), (899, 23004), (1044, 19809), (1116, 18531), (1278, 16182), (1566, 13206), (1674, 12354), (1798, 11502), (1917, 10788), (2059, 10044), (2201, 9396), (2349, 8804), (2511, 8236), (2556, 8091), (2697, 7668), (3132, 6603), (3348, 6177), (3596, 5751), (3834, 5394), (4118, 5022), (4402, 4698)]