20003100975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{621697}}^1$

素因数の和:621737

約数の個数: 72

約数和(自身を含む): 42091441392

約数和(自身を除く): 22088340417

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2145, 2475, 2925, 3575, 6435, 10725, 32175, 621697, 1865091, 3108485, 5595273, 6838667, 8082061, 9325455, 15542425, 20516001, 24246183, 27976365, 34193335, 40410305, 46627275, 61548003, 72738549, 88902671, 102580005, 121230915, 139881825, 170966675, 202051525, 266708013, 307740015, 363692745, 444513355, 512900025, 606154575, 800124039, 1333540065, 1538700075, 1818463725, 2222566775, 4000620195, 6667700325, 20003100975]

約数ペア:

[(1, 20003100975), (3, 6667700325), (5, 4000620195), (9, 2222566775), (11, 1818463725), (13, 1538700075), (15, 1333540065), (25, 800124039), (33, 606154575), (39, 512900025), (45, 444513355), (55, 363692745), (65, 307740015), (75, 266708013), (99, 202051525), (117, 170966675), (143, 139881825), (165, 121230915), (195, 102580005), (225, 88902671), (275, 72738549), (325, 61548003), (429, 46627275), (495, 40410305), (585, 34193335), (715, 27976365), (825, 24246183), (975, 20516001), (1287, 15542425), (2145, 9325455), (2475, 8082061), (2925, 6838667), (3575, 5595273), (6435, 3108485), (10725, 1865091), (32175, 621697)]