20015044

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 21659708

約数列:

[1, 2, 4, 7, 14, 28, 47, 67, 94, 134, 188, 227, 268, 329, 454, 469, 658, 908, 938, 1316, 1589, 1876, 3149, 3178, 6298, 6356, 10669, 12596, 15209, 21338, 22043, 30418, 42676, 44086, 60836, 74683, 88172, 106463, 149366, 212926, 298732, 425852, 714823, 1429646, 2859292, 5003761, 10007522, 20015044]

約数ペア:

[(1, 20015044), (2, 10007522), (4, 5003761), (7, 2859292), (14, 1429646), (28, 714823), (47, 425852), (67, 298732), (94, 212926), (134, 149366), (188, 106463), (227, 88172), (268, 74683), (329, 60836), (454, 44086), (469, 42676), (658, 30418), (908, 22043), (938, 21338), (1316, 15209), (1589, 12596), (1876, 10669), (3149, 6356), (3178, 6298)]