20170874878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{47681}}^1$

素因数の和:47809

約数の個数: 64

約数和(自身を含む): 39219780096

約数和(自身を除く): 19048905218

約数列:

[1, 2, 7, 11, 14, 22, 41, 67, 77, 82, 134, 154, 287, 451, 469, 574, 737, 902, 938, 1474, 2747, 3157, 5159, 5494, 6314, 10318, 19229, 30217, 38458, 47681, 60434, 95362, 211519, 333767, 423038, 524491, 667534, 1048982, 1954921, 3194627, 3671437, 3909842, 6389254, 7342874, 13684447, 21504131, 22362389, 27368894, 35140897, 43008262, 44724778, 70281794, 130979707, 150528917, 245986279, 261959414, 301057834, 491972558, 916857949, 1440776777, 1833715898, 2881553554, 10085437439, 20170874878]

約数ペア:

[(1, 20170874878), (2, 10085437439), (7, 2881553554), (11, 1833715898), (14, 1440776777), (22, 916857949), (41, 491972558), (67, 301057834), (77, 261959414), (82, 245986279), (134, 150528917), (154, 130979707), (287, 70281794), (451, 44724778), (469, 43008262), (574, 35140897), (737, 27368894), (902, 22362389), (938, 21504131), (1474, 13684447), (2747, 7342874), (3157, 6389254), (5159, 3909842), (5494, 3671437), (6314, 3194627), (10318, 1954921), (19229, 1048982), (30217, 667534), (38458, 524491), (47681, 423038), (60434, 333767), (95362, 211519)]