20888970507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2383}}^1$

素因数の和:2529

約数の個数: 96

約数和(自身を含む): 34703106048

約数和(自身を除く): 13814135541

約数列:

[1, 3, 9, 17, 23, 47, 51, 53, 69, 141, 153, 159, 207, 391, 423, 477, 799, 901, 1081, 1173, 1219, 2383, 2397, 2491, 2703, 3243, 3519, 3657, 7149, 7191, 7473, 8109, 9729, 10971, 18377, 20723, 21447, 22419, 40511, 42347, 54809, 55131, 57293, 62169, 112001, 121533, 126299, 127041, 164427, 165393, 171879, 186507, 336003, 364599, 378897, 381123, 493281, 515637, 931753, 973981, 1008009, 1136691, 1904017, 2147083, 2576023, 2795259, 2904877, 2921943, 5712051, 5936053, 6441249, 7728069, 8385777, 8714631, 8765829, 17136153, 17808159, 19323747, 23184207, 26143893, 43792391, 49382909, 53424477, 100912901, 131377173, 136529219, 148148727, 302738703, 394131519, 409587657, 444446181, 908216109, 1228762971, 2320996723, 6962990169, 20888970507]

約数ペア:

[(1, 20888970507), (3, 6962990169), (9, 2320996723), (17, 1228762971), (23, 908216109), (47, 444446181), (51, 409587657), (53, 394131519), (69, 302738703), (141, 148148727), (153, 136529219), (159, 131377173), (207, 100912901), (391, 53424477), (423, 49382909), (477, 43792391), (799, 26143893), (901, 23184207), (1081, 19323747), (1173, 17808159), (1219, 17136153), (2383, 8765829), (2397, 8714631), (2491, 8385777), (2703, 7728069), (3243, 6441249), (3519, 5936053), (3657, 5712051), (7149, 2921943), (7191, 2904877), (7473, 2795259), (8109, 2576023), (9729, 2147083), (10971, 1904017), (18377, 1136691), (20723, 1008009), (21447, 973981), (22419, 931753), (40511, 515637), (42347, 493281), (54809, 381123), (55131, 378897), (57293, 364599), (62169, 336003), (112001, 186507), (121533, 171879), (126299, 165393), (127041, 164427)]