20201006511

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1523}}^1\times {\mathrm{1583}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 35775717120

約数和(自身を除く): 15574710609

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1523, 1583, 2793, 4569, 4749, 8379, 10661, 11081, 13707, 14247, 28937, 30077, 31983, 33243, 74627, 77567, 86811, 90231, 95949, 99729, 202559, 210539, 223881, 232701, 260433, 270693, 607677, 631617, 671643, 698103, 1417913, 1473773, 1823031, 1894851, 2410909, 4253739, 4421319, 7232727, 12761217, 13263957, 16876363, 21698181, 45807271, 50629089, 118134541, 137421813, 151887267, 320650897, 354403623, 412265439, 961952691, 1063210869, 2244556279, 2885858073, 6733668837, 20201006511]

約数ペア:

[(1, 20201006511), (3, 6733668837), (7, 2885858073), (9, 2244556279), (19, 1063210869), (21, 961952691), (49, 412265439), (57, 354403623), (63, 320650897), (133, 151887267), (147, 137421813), (171, 118134541), (399, 50629089), (441, 45807271), (931, 21698181), (1197, 16876363), (1523, 13263957), (1583, 12761217), (2793, 7232727), (4569, 4421319), (4749, 4253739), (8379, 2410909), (10661, 1894851), (11081, 1823031), (13707, 1473773), (14247, 1417913), (28937, 698103), (30077, 671643), (31983, 631617), (33243, 607677), (74627, 270693), (77567, 260433), (86811, 232701), (90231, 223881), (95949, 210539), (99729, 202559)]