20067420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 41218980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 607, 870, 1102, 1140, 1214, 1653, 1740, 1821, 2204, 2428, 2755, 3035, 3306, 3642, 5510, 6070, 6612, 7284, 8265, 9105, 11020, 11533, 12140, 16530, 17603, 18210, 23066, 33060, 34599, 35206, 36420, 46132, 52809, 57665, 69198, 70412, 88015, 105618, 115330, 138396, 172995, 176030, 211236, 230660, 264045, 334457, 345990, 352060, 528090, 668914, 691980, 1003371, 1056180, 1337828, 1672285, 2006742, 3344570, 4013484, 5016855, 6689140, 10033710, 20067420]

約数ペア:

[(1, 20067420), (2, 10033710), (3, 6689140), (4, 5016855), (5, 4013484), (6, 3344570), (10, 2006742), (12, 1672285), (15, 1337828), (19, 1056180), (20, 1003371), (29, 691980), (30, 668914), (38, 528090), (57, 352060), (58, 345990), (60, 334457), (76, 264045), (87, 230660), (95, 211236), (114, 176030), (116, 172995), (145, 138396), (174, 115330), (190, 105618), (228, 88015), (285, 70412), (290, 69198), (348, 57665), (380, 52809), (435, 46132), (551, 36420), (570, 35206), (580, 34599), (607, 33060), (870, 23066), (1102, 18210), (1140, 17603), (1214, 16530), (1653, 12140), (1740, 11533), (1821, 11020), (2204, 9105), (2428, 8265), (2755, 7284), (3035, 6612), (3306, 6070), (3642, 5510)]