20815708718

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{24547}}^1$

素因数の和:25089

約数の個数: 48

約数和(自身を含む): 38534959440

約数和(自身を除く): 17719250722

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 509, 833, 1018, 1666, 3563, 7126, 8653, 17306, 24547, 24941, 49094, 49882, 60571, 121142, 171829, 343658, 417299, 423997, 834598, 847994, 1202803, 2405606, 2921093, 5842186, 12494423, 20447651, 24988846, 40895302, 87460961, 174921922, 212405191, 424810382, 612226727, 1224453454, 1486836337, 2973672674, 10407854359, 20815708718]

約数ペア:

[(1, 20815708718), (2, 10407854359), (7, 2973672674), (14, 1486836337), (17, 1224453454), (34, 612226727), (49, 424810382), (98, 212405191), (119, 174921922), (238, 87460961), (509, 40895302), (833, 24988846), (1018, 20447651), (1666, 12494423), (3563, 5842186), (7126, 2921093), (8653, 2405606), (17306, 1202803), (24547, 847994), (24941, 834598), (49094, 423997), (49882, 417299), (60571, 343658), (121142, 171829)]