20763522

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1107

約数の個数: 48

約数和(自身を含む): 49041720

約数和(自身を除く): 28278198

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 997, 1157, 1602, 1994, 2314, 2991, 3471, 5982, 6942, 8973, 10413, 12961, 17946, 20826, 25922, 38883, 77766, 88733, 116649, 177466, 233298, 266199, 532398, 798597, 1153529, 1597194, 2307058, 3460587, 6921174, 10381761, 20763522]

約数ペア:

[(1, 20763522), (2, 10381761), (3, 6921174), (6, 3460587), (9, 2307058), (13, 1597194), (18, 1153529), (26, 798597), (39, 532398), (78, 266199), (89, 233298), (117, 177466), (178, 116649), (234, 88733), (267, 77766), (534, 38883), (801, 25922), (997, 20826), (1157, 17946), (1602, 12961), (1994, 10413), (2314, 8973), (2991, 6942), (3471, 5982)]