20172687975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{14633}}^1$

素因数の和:15217

約数の個数: 72

約数和(自身を含む): 39489673392

約数和(自身を除く): 19316985417

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 557, 825, 1671, 2475, 2785, 5013, 6127, 8355, 13925, 14633, 18381, 25065, 30635, 41775, 43899, 55143, 73165, 91905, 125325, 131697, 153175, 160963, 219495, 275715, 365825, 459525, 482889, 658485, 804815, 1097475, 1378575, 1448667, 2414445, 3292425, 4024075, 7243335, 8150581, 12072225, 24451743, 36216675, 40752905, 73355229, 89656391, 122258715, 203764525, 268969173, 366776145, 448281955, 611293575, 806907519, 1344845865, 1833880725, 2241409775, 4034537595, 6724229325, 20172687975]

約数ペア:

[(1, 20172687975), (3, 6724229325), (5, 4034537595), (9, 2241409775), (11, 1833880725), (15, 1344845865), (25, 806907519), (33, 611293575), (45, 448281955), (55, 366776145), (75, 268969173), (99, 203764525), (165, 122258715), (225, 89656391), (275, 73355229), (495, 40752905), (557, 36216675), (825, 24451743), (1671, 12072225), (2475, 8150581), (2785, 7243335), (5013, 4024075), (6127, 3292425), (8355, 2414445), (13925, 1448667), (14633, 1378575), (18381, 1097475), (25065, 804815), (30635, 658485), (41775, 482889), (43899, 459525), (55143, 365825), (73165, 275715), (91905, 219495), (125325, 160963), (131697, 153175)]