20267366

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 19213978

約数列:

[1, 2, 7, 14, 17, 31, 34, 41, 62, 67, 82, 119, 134, 217, 238, 287, 434, 469, 527, 574, 697, 938, 1054, 1139, 1271, 1394, 2077, 2278, 2542, 2747, 3689, 4154, 4879, 5494, 7378, 7973, 8897, 9758, 14539, 15946, 17794, 19229, 21607, 29078, 35309, 38458, 43214, 46699, 70618, 85157, 93398, 151249, 170314, 247163, 302498, 326893, 494326, 596099, 653786, 1192198, 1447669, 2895338, 10133683, 20267366]

約数ペア:

[(1, 20267366), (2, 10133683), (7, 2895338), (14, 1447669), (17, 1192198), (31, 653786), (34, 596099), (41, 494326), (62, 326893), (67, 302498), (82, 247163), (119, 170314), (134, 151249), (217, 93398), (238, 85157), (287, 70618), (434, 46699), (469, 43214), (527, 38458), (574, 35309), (697, 29078), (938, 21607), (1054, 19229), (1139, 17794), (1271, 15946), (1394, 14539), (2077, 9758), (2278, 8897), (2542, 7973), (2747, 7378), (3689, 5494), (4154, 4879)]