20512667725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 29239128576

約数和(自身を除く): 8726460851

約数列:

[1, 5, 11, 25, 37, 55, 83, 107, 185, 227, 275, 407, 415, 535, 913, 925, 1135, 1177, 2035, 2075, 2497, 2675, 3071, 3959, 4565, 5675, 5885, 8399, 8881, 10175, 12485, 15355, 18841, 19795, 22825, 24289, 29425, 33781, 41995, 43549, 44405, 62425, 76775, 92389, 94205, 97691, 98975, 121445, 168905, 207251, 209975, 217745, 222025, 267179, 328597, 461945, 471025, 488455, 607225, 697117, 844525, 898693, 1036255, 1088725, 1335895, 1642985, 2015987, 2309725, 2442275, 3485585, 3614567, 4493465, 5181275, 6679475, 7668287, 8214925, 9885623, 10079935, 17427925, 18072835, 22175857, 22467325, 38341435, 49428115, 50399675, 74591519, 90364175, 110879285, 191707175, 247140575, 372957595, 554396425, 820506709, 1864787975, 4102533545, 20512667725]

約数ペア:

[(1, 20512667725), (5, 4102533545), (11, 1864787975), (25, 820506709), (37, 554396425), (55, 372957595), (83, 247140575), (107, 191707175), (185, 110879285), (227, 90364175), (275, 74591519), (407, 50399675), (415, 49428115), (535, 38341435), (913, 22467325), (925, 22175857), (1135, 18072835), (1177, 17427925), (2035, 10079935), (2075, 9885623), (2497, 8214925), (2675, 7668287), (3071, 6679475), (3959, 5181275), (4565, 4493465), (5675, 3614567), (5885, 3485585), (8399, 2442275), (8881, 2309725), (10175, 2015987), (12485, 1642985), (15355, 1335895), (18841, 1088725), (19795, 1036255), (22825, 898693), (24289, 844525), (29425, 697117), (33781, 607225), (41995, 488455), (43549, 471025), (44405, 461945), (62425, 328597), (76775, 267179), (92389, 222025), (94205, 217745), (97691, 209975), (98975, 207251), (121445, 168905)]