20419630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1201

約数の個数: 64

約数和(自身を含む): 47858688

約数和(自身を除く): 27439058

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1153, 1265, 1610, 1771, 2306, 2530, 3542, 5765, 8071, 8855, 11530, 12683, 16142, 17710, 25366, 26519, 40355, 53038, 63415, 80710, 88781, 126830, 132595, 177562, 185633, 265190, 291709, 371266, 443905, 583418, 887810, 928165, 1458545, 1856330, 2041963, 2917090, 4083926, 10209815, 20419630]

約数ペア:

[(1, 20419630), (2, 10209815), (5, 4083926), (7, 2917090), (10, 2041963), (11, 1856330), (14, 1458545), (22, 928165), (23, 887810), (35, 583418), (46, 443905), (55, 371266), (70, 291709), (77, 265190), (110, 185633), (115, 177562), (154, 132595), (161, 126830), (230, 88781), (253, 80710), (322, 63415), (385, 53038), (506, 40355), (770, 26519), (805, 25366), (1153, 17710), (1265, 16142), (1610, 12683), (1771, 11530), (2306, 8855), (2530, 8071), (3542, 5765)]