20171644636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{6833}}^1$

素因数の和:7271

約数の個数: 72

約数和(自身を含む): 41810794704

約数和(自身を除く): 21639150068

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 397, 572, 676, 794, 1588, 1859, 3718, 4367, 5161, 6833, 7436, 8734, 10322, 13666, 17468, 20644, 27332, 56771, 67093, 75163, 88829, 113542, 134186, 150326, 177658, 227084, 268372, 300652, 355316, 738023, 977119, 1154777, 1476046, 1954238, 2309554, 2712701, 2952092, 3908476, 4619108, 5425402, 10850804, 12702547, 25405094, 29839711, 35265113, 50810188, 59679422, 70530226, 119358844, 141060452, 387916243, 458446469, 775832486, 916892938, 1551664972, 1833785876, 5042911159, 10085822318, 20171644636]

約数ペア:

[(1, 20171644636), (2, 10085822318), (4, 5042911159), (11, 1833785876), (13, 1551664972), (22, 916892938), (26, 775832486), (44, 458446469), (52, 387916243), (143, 141060452), (169, 119358844), (286, 70530226), (338, 59679422), (397, 50810188), (572, 35265113), (676, 29839711), (794, 25405094), (1588, 12702547), (1859, 10850804), (3718, 5425402), (4367, 4619108), (5161, 3908476), (6833, 2952092), (7436, 2712701), (8734, 2309554), (10322, 1954238), (13666, 1476046), (17468, 1154777), (20644, 977119), (27332, 738023), (56771, 355316), (67093, 300652), (75163, 268372), (88829, 227084), (113542, 177658), (134186, 150326)]