20767710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 54058752

約数和(自身を除く): 33291042

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 255, 258, 430, 510, 645, 731, 947, 1290, 1462, 1894, 2193, 2841, 3655, 4386, 4735, 5682, 7310, 9470, 10965, 14205, 16099, 21930, 28410, 32198, 40721, 48297, 80495, 81442, 96594, 122163, 160990, 203605, 241485, 244326, 407210, 482970, 610815, 692257, 1221630, 1384514, 2076771, 3461285, 4153542, 6922570, 10383855, 20767710]

約数ペア:

[(1, 20767710), (2, 10383855), (3, 6922570), (5, 4153542), (6, 3461285), (10, 2076771), (15, 1384514), (17, 1221630), (30, 692257), (34, 610815), (43, 482970), (51, 407210), (85, 244326), (86, 241485), (102, 203605), (129, 160990), (170, 122163), (215, 96594), (255, 81442), (258, 80495), (430, 48297), (510, 40721), (645, 32198), (731, 28410), (947, 21930), (1290, 16099), (1462, 14205), (1894, 10965), (2193, 9470), (2841, 7310), (3655, 5682), (4386, 4735)]