20105787525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 35325953280

約数和(自身を除く): 15220165755

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 89, 115, 173, 267, 345, 445, 519, 575, 757, 865, 1335, 1725, 2047, 2225, 2271, 2595, 3785, 3979, 4325, 6141, 6675, 10235, 11355, 11937, 12975, 15397, 17411, 18925, 19895, 30705, 46191, 51175, 52233, 56775, 59685, 67373, 76985, 87055, 99475, 130961, 153525, 202119, 230955, 261165, 298425, 336865, 354131, 384925, 392883, 435275, 654805, 1010595, 1062393, 1154775, 1305825, 1549579, 1684325, 1770655, 1964415, 3012103, 3274025, 4648737, 5052975, 5311965, 7747895, 8853275, 9036309, 9822075, 11655529, 15060515, 23243685, 26559825, 34966587, 38739475, 45181545, 58277645, 75302575, 116218425, 174832935, 225907725, 268077167, 291388225, 804231501, 874164675, 1340385835, 4021157505, 6701929175, 20105787525]

約数ペア:

[(1, 20105787525), (3, 6701929175), (5, 4021157505), (15, 1340385835), (23, 874164675), (25, 804231501), (69, 291388225), (75, 268077167), (89, 225907725), (115, 174832935), (173, 116218425), (267, 75302575), (345, 58277645), (445, 45181545), (519, 38739475), (575, 34966587), (757, 26559825), (865, 23243685), (1335, 15060515), (1725, 11655529), (2047, 9822075), (2225, 9036309), (2271, 8853275), (2595, 7747895), (3785, 5311965), (3979, 5052975), (4325, 4648737), (6141, 3274025), (6675, 3012103), (10235, 1964415), (11355, 1770655), (11937, 1684325), (12975, 1549579), (15397, 1305825), (17411, 1154775), (18925, 1062393), (19895, 1010595), (30705, 654805), (46191, 435275), (51175, 392883), (52233, 384925), (56775, 354131), (59685, 336865), (67373, 298425), (76985, 261165), (87055, 230955), (99475, 202119), (130961, 153525)]