20152940505

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{2591}}^1$

素因数の和:3062

約数の個数: 64

約数和(自身を含む): 34159656960

約数和(自身を除く): 14006716455

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 389, 465, 645, 1167, 1333, 1945, 2591, 3999, 5835, 6665, 7773, 12059, 12955, 16727, 19995, 36177, 38865, 50181, 60295, 80321, 83635, 111413, 180885, 240963, 250905, 334239, 401605, 518537, 557065, 1007899, 1204815, 1555611, 1671195, 2592685, 3023697, 3453803, 5039495, 7778055, 10361409, 15118485, 17269015, 31244869, 43339657, 51807045, 93734607, 130018971, 156224345, 216698285, 468673035, 650094855, 1343529367, 4030588101, 6717646835, 20152940505]

約数ペア:

[(1, 20152940505), (3, 6717646835), (5, 4030588101), (15, 1343529367), (31, 650094855), (43, 468673035), (93, 216698285), (129, 156224345), (155, 130018971), (215, 93734607), (389, 51807045), (465, 43339657), (645, 31244869), (1167, 17269015), (1333, 15118485), (1945, 10361409), (2591, 7778055), (3999, 5039495), (5835, 3453803), (6665, 3023697), (7773, 2592685), (12059, 1671195), (12955, 1555611), (16727, 1204815), (19995, 1007899), (36177, 557065), (38865, 518537), (50181, 401605), (60295, 334239), (80321, 250905), (83635, 240963), (111413, 180885)]