20302954

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 37691136

約数和(自身を除く): 17388182

約数列:

[1, 2, 7, 14, 31, 41, 49, 62, 82, 98, 163, 217, 287, 326, 434, 574, 1141, 1271, 1519, 2009, 2282, 2542, 3038, 4018, 5053, 6683, 7987, 8897, 10106, 13366, 15974, 17794, 35371, 46781, 62279, 70742, 93562, 124558, 207173, 247597, 327467, 414346, 495194, 654934, 1450211, 2900422, 10151477, 20302954]

約数ペア:

[(1, 20302954), (2, 10151477), (7, 2900422), (14, 1450211), (31, 654934), (41, 495194), (49, 414346), (62, 327467), (82, 247597), (98, 207173), (163, 124558), (217, 93562), (287, 70742), (326, 62279), (434, 46781), (574, 35371), (1141, 17794), (1271, 15974), (1519, 13366), (2009, 10106), (2282, 8897), (2542, 7987), (3038, 6683), (4018, 5053)]