20622564

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 57028608

約数和(自身を除く): 36406044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1087, 1116, 1581, 2108, 2174, 3162, 3261, 4348, 4743, 6324, 6522, 9486, 9783, 13044, 18479, 18972, 19566, 33697, 36958, 39132, 55437, 67394, 73916, 101091, 110874, 134788, 166311, 202182, 221748, 303273, 332622, 404364, 572849, 606546, 665244, 1145698, 1213092, 1718547, 2291396, 3437094, 5155641, 6874188, 10311282, 20622564]

約数ペア:

[(1, 20622564), (2, 10311282), (3, 6874188), (4, 5155641), (6, 3437094), (9, 2291396), (12, 1718547), (17, 1213092), (18, 1145698), (31, 665244), (34, 606546), (36, 572849), (51, 404364), (62, 332622), (68, 303273), (93, 221748), (102, 202182), (124, 166311), (153, 134788), (186, 110874), (204, 101091), (279, 73916), (306, 67394), (372, 55437), (527, 39132), (558, 36958), (612, 33697), (1054, 19566), (1087, 18972), (1116, 18479), (1581, 13044), (2108, 9783), (2174, 9486), (3162, 6522), (3261, 6324), (4348, 4743)]