20694102

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 28657578

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 89, 143, 178, 267, 271, 286, 429, 534, 542, 813, 858, 979, 1157, 1626, 1958, 2314, 2937, 2981, 3471, 3523, 5874, 5962, 6942, 7046, 8943, 10569, 12727, 17886, 21138, 24119, 25454, 38181, 38753, 48238, 72357, 76362, 77506, 116259, 144714, 232518, 265309, 313547, 530618, 627094, 795927, 940641, 1591854, 1881282, 3449017, 6898034, 10347051, 20694102]

約数ペア:

[(1, 20694102), (2, 10347051), (3, 6898034), (6, 3449017), (11, 1881282), (13, 1591854), (22, 940641), (26, 795927), (33, 627094), (39, 530618), (66, 313547), (78, 265309), (89, 232518), (143, 144714), (178, 116259), (267, 77506), (271, 76362), (286, 72357), (429, 48238), (534, 38753), (542, 38181), (813, 25454), (858, 24119), (979, 21138), (1157, 17886), (1626, 12727), (1958, 10569), (2314, 8943), (2937, 7046), (2981, 6942), (3471, 5962), (3523, 5874)]