20681724

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2069}}^1$

素因数の和:2107

約数の個数: 72

約数和(自身を含む): 59466960

約数和(自身を除く): 38785236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 147, 196, 204, 238, 294, 357, 476, 588, 714, 833, 1428, 1666, 2069, 2499, 3332, 4138, 4998, 6207, 8276, 9996, 12414, 14483, 24828, 28966, 35173, 43449, 57932, 70346, 86898, 101381, 105519, 140692, 173796, 202762, 211038, 246211, 304143, 405524, 422076, 492422, 608286, 738633, 984844, 1216572, 1477266, 1723477, 2954532, 3446954, 5170431, 6893908, 10340862, 20681724]

約数ペア:

[(1, 20681724), (2, 10340862), (3, 6893908), (4, 5170431), (6, 3446954), (7, 2954532), (12, 1723477), (14, 1477266), (17, 1216572), (21, 984844), (28, 738633), (34, 608286), (42, 492422), (49, 422076), (51, 405524), (68, 304143), (84, 246211), (98, 211038), (102, 202762), (119, 173796), (147, 140692), (196, 105519), (204, 101381), (238, 86898), (294, 70346), (357, 57932), (476, 43449), (588, 35173), (714, 28966), (833, 24828), (1428, 14483), (1666, 12414), (2069, 9996), (2499, 8276), (3332, 6207), (4138, 4998)]