20444880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5011}}^1$

素因数の和:5044

約数の個数: 80

約数和(自身を含む): 67120704

約数和(自身を除く): 46675824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5011, 10022, 15033, 20044, 25055, 30066, 40088, 50110, 60132, 75165, 80176, 85187, 100220, 120264, 150330, 170374, 200440, 240528, 255561, 300660, 340748, 400880, 425935, 511122, 601320, 681496, 851870, 1022244, 1202640, 1277805, 1362992, 1703740, 2044488, 2555610, 3407480, 4088976, 5111220, 6814960, 10222440, 20444880]

約数ペア:

[(1, 20444880), (2, 10222440), (3, 6814960), (4, 5111220), (5, 4088976), (6, 3407480), (8, 2555610), (10, 2044488), (12, 1703740), (15, 1362992), (16, 1277805), (17, 1202640), (20, 1022244), (24, 851870), (30, 681496), (34, 601320), (40, 511122), (48, 425935), (51, 400880), (60, 340748), (68, 300660), (80, 255561), (85, 240528), (102, 200440), (120, 170374), (136, 150330), (170, 120264), (204, 100220), (240, 85187), (255, 80176), (272, 75165), (340, 60132), (408, 50110), (510, 40088), (680, 30066), (816, 25055), (1020, 20044), (1360, 15033), (2040, 10022), (4080, 5011)]