20479968018

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{149491}}^1$

素因数の和:149604

約数の個数: 64

約数和(自身を含む): 47359065600

約数和(自身を除く): 26879097582

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 59, 86, 118, 129, 177, 258, 354, 387, 531, 774, 1062, 1161, 1593, 2322, 2537, 3186, 5074, 7611, 15222, 22833, 45666, 68499, 136998, 149491, 298982, 448473, 896946, 1345419, 2690838, 4036257, 6428113, 8072514, 8819969, 12856226, 17639938, 19284339, 26459907, 38568678, 52919814, 57853017, 79379721, 115706034, 158759442, 173559051, 238139163, 347118102, 379258667, 476278326, 758517334, 1137776001, 2275552002, 3413328003, 6826656006, 10239984009, 20479968018]

約数ペア:

[(1, 20479968018), (2, 10239984009), (3, 6826656006), (6, 3413328003), (9, 2275552002), (18, 1137776001), (27, 758517334), (43, 476278326), (54, 379258667), (59, 347118102), (86, 238139163), (118, 173559051), (129, 158759442), (177, 115706034), (258, 79379721), (354, 57853017), (387, 52919814), (531, 38568678), (774, 26459907), (1062, 19284339), (1161, 17639938), (1593, 12856226), (2322, 8819969), (2537, 8072514), (3186, 6428113), (5074, 4036257), (7611, 2690838), (15222, 1345419), (22833, 896946), (45666, 448473), (68499, 298982), (136998, 149491)]