20732775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 43711488

約数和(自身を除く): 22978713

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 101, 105, 115, 119, 161, 175, 255, 303, 345, 357, 391, 425, 483, 505, 525, 575, 595, 707, 805, 1173, 1275, 1515, 1717, 1725, 1785, 1955, 2121, 2323, 2415, 2525, 2737, 2975, 3535, 4025, 5151, 5865, 6969, 7575, 8211, 8585, 8925, 9775, 10605, 11615, 12019, 12075, 13685, 16261, 17675, 25755, 29325, 34845, 36057, 39491, 41055, 42925, 48783, 53025, 58075, 60095, 68425, 81305, 118473, 128775, 174225, 180285, 197455, 205275, 243915, 276437, 300475, 406525, 592365, 829311, 901425, 987275, 1219575, 1382185, 2961825, 4146555, 6910925, 20732775]

約数ペア:

[(1, 20732775), (3, 6910925), (5, 4146555), (7, 2961825), (15, 1382185), (17, 1219575), (21, 987275), (23, 901425), (25, 829311), (35, 592365), (51, 406525), (69, 300475), (75, 276437), (85, 243915), (101, 205275), (105, 197455), (115, 180285), (119, 174225), (161, 128775), (175, 118473), (255, 81305), (303, 68425), (345, 60095), (357, 58075), (391, 53025), (425, 48783), (483, 42925), (505, 41055), (525, 39491), (575, 36057), (595, 34845), (707, 29325), (805, 25755), (1173, 17675), (1275, 16261), (1515, 13685), (1717, 12075), (1725, 12019), (1785, 11615), (1955, 10605), (2121, 9775), (2323, 8925), (2415, 8585), (2525, 8211), (2737, 7575), (2975, 6969), (3535, 5865), (4025, 5151)]