20740204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 20083796

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 89, 92, 149, 178, 298, 356, 391, 596, 782, 1513, 1564, 2047, 2533, 3026, 3427, 4094, 5066, 6052, 6854, 8188, 10132, 13261, 13708, 26522, 34799, 53044, 58259, 69598, 116518, 139196, 225437, 233036, 305003, 450874, 610006, 901748, 1220012, 5185051, 10370102, 20740204]

約数ペア:

[(1, 20740204), (2, 10370102), (4, 5185051), (17, 1220012), (23, 901748), (34, 610006), (46, 450874), (68, 305003), (89, 233036), (92, 225437), (149, 139196), (178, 116518), (298, 69598), (356, 58259), (391, 53044), (596, 34799), (782, 26522), (1513, 13708), (1564, 13261), (2047, 10132), (2533, 8188), (3026, 6854), (3427, 6052), (4094, 5066)]