20100708285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1217}}^1$

素因数の和:1755

約数の個数: 128

約数和(自身を含む): 41083822080

約数和(自身を除く): 20983113795

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 487, 595, 665, 969, 1217, 1461, 1615, 1785, 1995, 2261, 2435, 3409, 3651, 4845, 6085, 6783, 7305, 8279, 8519, 9253, 10227, 11305, 17045, 18255, 20689, 23123, 24837, 25557, 27759, 33915, 41395, 42595, 46265, 51135, 57953, 62067, 64771, 69369, 103445, 115615, 124185, 127785, 138795, 144823, 157301, 161861, 173859, 194313, 289765, 310335, 323855, 346845, 393091, 434469, 471903, 485583, 592679, 724115, 786505, 809305, 869295, 971565, 1101107, 1179273, 1778037, 1965455, 2172345, 2359515, 2427915, 2751637, 2963395, 3303321, 4148753, 5505535, 5896365, 8254911, 8890185, 10075543, 11260901, 12446259, 13758185, 16516605, 20743765, 30226629, 33782703, 41274555, 50377715, 56304505, 62231295, 70528801, 78826307, 151133145, 168913515, 191435317, 211586403, 236478921, 352644005, 394131535, 574305951, 957176585, 1057932015, 1182394605, 1340047219, 2871529755, 4020141657, 6700236095, 20100708285]

約数ペア:

[(1, 20100708285), (3, 6700236095), (5, 4020141657), (7, 2871529755), (15, 1340047219), (17, 1182394605), (19, 1057932015), (21, 957176585), (35, 574305951), (51, 394131535), (57, 352644005), (85, 236478921), (95, 211586403), (105, 191435317), (119, 168913515), (133, 151133145), (255, 78826307), (285, 70528801), (323, 62231295), (357, 56304505), (399, 50377715), (487, 41274555), (595, 33782703), (665, 30226629), (969, 20743765), (1217, 16516605), (1461, 13758185), (1615, 12446259), (1785, 11260901), (1995, 10075543), (2261, 8890185), (2435, 8254911), (3409, 5896365), (3651, 5505535), (4845, 4148753), (6085, 3303321), (6783, 2963395), (7305, 2751637), (8279, 2427915), (8519, 2359515), (9253, 2172345), (10227, 1965455), (11305, 1778037), (17045, 1179273), (18255, 1101107), (20689, 971565), (23123, 869295), (24837, 809305), (25557, 786505), (27759, 724115), (33915, 592679), (41395, 485583), (42595, 471903), (46265, 434469), (51135, 393091), (57953, 346845), (62067, 323855), (64771, 310335), (69369, 289765), (103445, 194313), (115615, 173859), (124185, 161861), (127785, 157301), (138795, 144823)]