20121056350

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{180701}}^1$

素因数の和:180861

約数の個数: 48

約数和(自身を含む): 39929359536

約数和(自身を除く): 19808303186

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 131, 170, 262, 425, 655, 850, 1310, 2227, 3275, 4454, 6550, 11135, 22270, 55675, 111350, 180701, 361402, 903505, 1807010, 3071917, 4517525, 6143834, 9035050, 15359585, 23671831, 30719170, 47343662, 76797925, 118359155, 153595850, 236718310, 402421127, 591795775, 804842254, 1183591550, 2012105635, 4024211270, 10060528175, 20121056350]

約数ペア:

[(1, 20121056350), (2, 10060528175), (5, 4024211270), (10, 2012105635), (17, 1183591550), (25, 804842254), (34, 591795775), (50, 402421127), (85, 236718310), (131, 153595850), (170, 118359155), (262, 76797925), (425, 47343662), (655, 30719170), (850, 23671831), (1310, 15359585), (2227, 9035050), (3275, 6143834), (4454, 4517525), (6550, 3071917), (11135, 1807010), (22270, 903505), (55675, 361402), (111350, 180701)]