20174950972

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{3907}}^1$

素因数の和:4207

約数の個数: 72

約数和(自身を含む): 39818080512

約数和(自身を除く): 19643129540

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 227, 242, 454, 484, 517, 908, 1034, 2068, 2497, 3907, 4994, 5687, 7814, 9988, 10669, 11374, 15628, 21338, 22748, 27467, 42676, 42977, 54934, 85954, 109868, 117359, 171908, 183629, 234718, 367258, 469436, 472747, 734516, 886889, 945494, 1290949, 1773778, 1890988, 2019919, 2581898, 3547556, 4039838, 5163796, 8079676, 9755779, 19511558, 22219109, 39023116, 41683783, 44438218, 83367566, 88876436, 107313569, 166735132, 214627138, 429254276, 458521613, 917043226, 1834086452, 5043737743, 10087475486, 20174950972]

約数ペア:

[(1, 20174950972), (2, 10087475486), (4, 5043737743), (11, 1834086452), (22, 917043226), (44, 458521613), (47, 429254276), (94, 214627138), (121, 166735132), (188, 107313569), (227, 88876436), (242, 83367566), (454, 44438218), (484, 41683783), (517, 39023116), (908, 22219109), (1034, 19511558), (2068, 9755779), (2497, 8079676), (3907, 5163796), (4994, 4039838), (5687, 3547556), (7814, 2581898), (9988, 2019919), (10669, 1890988), (11374, 1773778), (15628, 1290949), (21338, 945494), (22748, 886889), (27467, 734516), (42676, 472747), (42977, 469436), (54934, 367258), (85954, 234718), (109868, 183629), (117359, 171908)]