20196240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 68090880

約数和(自身を除く): 47894640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 103, 114, 120, 129, 152, 172, 190, 206, 215, 228, 240, 258, 285, 304, 309, 344, 380, 412, 430, 456, 515, 516, 570, 618, 645, 688, 760, 817, 824, 860, 912, 1030, 1032, 1140, 1236, 1290, 1520, 1545, 1634, 1648, 1720, 1957, 2060, 2064, 2280, 2451, 2472, 2580, 3090, 3268, 3440, 3914, 4085, 4120, 4429, 4560, 4902, 4944, 5160, 5871, 6180, 6536, 7828, 8170, 8240, 8858, 9785, 9804, 10320, 11742, 12255, 12360, 13072, 13287, 15656, 16340, 17716, 19570, 19608, 22145, 23484, 24510, 24720, 26574, 29355, 31312, 32680, 35432, 39140, 39216, 44290, 46968, 49020, 53148, 58710, 65360, 66435, 70864, 78280, 84151, 88580, 93936, 98040, 106296, 117420, 132870, 156560, 168302, 177160, 196080, 212592, 234840, 252453, 265740, 336604, 354320, 420755, 469680, 504906, 531480, 673208, 841510, 1009812, 1062960, 1262265, 1346416, 1683020, 2019624, 2524530, 3366040, 4039248, 5049060, 6732080, 10098120, 20196240]

約数ペア:

[(1, 20196240), (2, 10098120), (3, 6732080), (4, 5049060), (5, 4039248), (6, 3366040), (8, 2524530), (10, 2019624), (12, 1683020), (15, 1346416), (16, 1262265), (19, 1062960), (20, 1009812), (24, 841510), (30, 673208), (38, 531480), (40, 504906), (43, 469680), (48, 420755), (57, 354320), (60, 336604), (76, 265740), (80, 252453), (86, 234840), (95, 212592), (103, 196080), (114, 177160), (120, 168302), (129, 156560), (152, 132870), (172, 117420), (190, 106296), (206, 98040), (215, 93936), (228, 88580), (240, 84151), (258, 78280), (285, 70864), (304, 66435), (309, 65360), (344, 58710), (380, 53148), (412, 49020), (430, 46968), (456, 44290), (515, 39216), (516, 39140), (570, 35432), (618, 32680), (645, 31312), (688, 29355), (760, 26574), (817, 24720), (824, 24510), (860, 23484), (912, 22145), (1030, 19608), (1032, 19570), (1140, 17716), (1236, 16340), (1290, 15656), (1520, 13287), (1545, 13072), (1634, 12360), (1648, 12255), (1720, 11742), (1957, 10320), (2060, 9804), (2064, 9785), (2280, 8858), (2451, 8240), (2472, 8170), (2580, 7828), (3090, 6536), (3268, 6180), (3440, 5871), (3914, 5160), (4085, 4944), (4120, 4902), (4429, 4560)]