20021988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2041

約数の個数: 72

約数和(自身を含む): 57570912

約数和(自身を除く): 37548924

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, 2003, 2499, 3332, 4006, 4998, 6009, 8012, 9996, 12018, 14021, 24036, 28042, 34051, 42063, 56084, 68102, 84126, 98147, 102153, 136204, 168252, 196294, 204306, 238357, 294441, 392588, 408612, 476714, 588882, 715071, 953428, 1177764, 1430142, 1668499, 2860284, 3336998, 5005497, 6673996, 10010994, 20021988]

約数ペア:

[(1, 20021988), (2, 10010994), (3, 6673996), (4, 5005497), (6, 3336998), (7, 2860284), (12, 1668499), (14, 1430142), (17, 1177764), (21, 953428), (28, 715071), (34, 588882), (42, 476714), (49, 408612), (51, 392588), (68, 294441), (84, 238357), (98, 204306), (102, 196294), (119, 168252), (147, 136204), (196, 102153), (204, 98147), (238, 84126), (294, 68102), (357, 56084), (476, 42063), (588, 34051), (714, 28042), (833, 24036), (1428, 14021), (1666, 12018), (2003, 9996), (2499, 8012), (3332, 6009), (4006, 4998)]