20640572022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1\times {\mathrm{4457}}^1$

素因数の和:6093

約数の個数: 64

約数和(自身を含む): 47884483584

約数和(自身を除く): 27243911562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 1553, 2982, 3106, 4457, 4659, 8914, 9318, 10871, 13371, 21742, 26742, 31199, 32613, 62398, 65226, 93597, 110263, 187194, 220526, 316447, 330789, 632894, 661578, 771841, 949341, 1543682, 1898682, 2215129, 2315523, 4430258, 4631046, 6645387, 6921721, 13290774, 13843442, 20765163, 41530326, 48452047, 96904094, 145356141, 290712282, 491442191, 982884382, 1474326573, 2948653146, 3440095337, 6880190674, 10320286011, 20640572022]

約数ペア:

[(1, 20640572022), (2, 10320286011), (3, 6880190674), (6, 3440095337), (7, 2948653146), (14, 1474326573), (21, 982884382), (42, 491442191), (71, 290712282), (142, 145356141), (213, 96904094), (426, 48452047), (497, 41530326), (994, 20765163), (1491, 13843442), (1553, 13290774), (2982, 6921721), (3106, 6645387), (4457, 4631046), (4659, 4430258), (8914, 2315523), (9318, 2215129), (10871, 1898682), (13371, 1543682), (21742, 949341), (26742, 771841), (31199, 661578), (32613, 632894), (62398, 330789), (65226, 316447), (93597, 220526), (110263, 187194)]