20601008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 45800640

約数和(自身を除く): 25199632

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 37, 46, 68, 74, 89, 92, 136, 148, 178, 184, 272, 296, 356, 368, 391, 592, 629, 712, 782, 851, 1258, 1424, 1513, 1564, 1702, 2047, 2516, 3026, 3128, 3293, 3404, 4094, 5032, 6052, 6256, 6586, 6808, 8188, 10064, 12104, 13172, 13616, 14467, 16376, 24208, 26344, 28934, 32752, 34799, 52688, 55981, 57868, 69598, 75739, 111962, 115736, 139196, 151478, 223924, 231472, 278392, 302956, 447848, 556784, 605912, 895696, 1211824, 1287563, 2575126, 5150252, 10300504, 20601008]

約数ペア:

[(1, 20601008), (2, 10300504), (4, 5150252), (8, 2575126), (16, 1287563), (17, 1211824), (23, 895696), (34, 605912), (37, 556784), (46, 447848), (68, 302956), (74, 278392), (89, 231472), (92, 223924), (136, 151478), (148, 139196), (178, 115736), (184, 111962), (272, 75739), (296, 69598), (356, 57868), (368, 55981), (391, 52688), (592, 34799), (629, 32752), (712, 28934), (782, 26344), (851, 24208), (1258, 16376), (1424, 14467), (1513, 13616), (1564, 13172), (1702, 12104), (2047, 10064), (2516, 8188), (3026, 6808), (3128, 6586), (3293, 6256), (3404, 6052), (4094, 5032)]