20348021900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{10429}}^1$

素因数の和:10731

約数の個数: 72

約数和(自身を含む): 44813538000

約数和(自身を除く): 24465516100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 179, 218, 358, 436, 545, 716, 895, 1090, 1790, 2180, 2725, 3580, 4475, 5450, 8950, 10429, 10900, 17900, 19511, 20858, 39022, 41716, 52145, 78044, 97555, 104290, 195110, 208580, 260725, 390220, 487775, 521450, 975550, 1042900, 1136761, 1866791, 1951100, 2273522, 3733582, 4547044, 5683805, 7467164, 9333955, 11367610, 18667910, 22735220, 28419025, 37335820, 46669775, 56838050, 93339550, 113676100, 186679100, 203480219, 406960438, 813920876, 1017401095, 2034802190, 4069604380, 5087005475, 10174010950, 20348021900]

約数ペア:

[(1, 20348021900), (2, 10174010950), (4, 5087005475), (5, 4069604380), (10, 2034802190), (20, 1017401095), (25, 813920876), (50, 406960438), (100, 203480219), (109, 186679100), (179, 113676100), (218, 93339550), (358, 56838050), (436, 46669775), (545, 37335820), (716, 28419025), (895, 22735220), (1090, 18667910), (1790, 11367610), (2180, 9333955), (2725, 7467164), (3580, 5683805), (4475, 4547044), (5450, 3733582), (8950, 2273522), (10429, 1951100), (10900, 1866791), (17900, 1136761), (19511, 1042900), (20858, 975550), (39022, 521450), (41716, 487775), (52145, 390220), (78044, 260725), (97555, 208580), (104290, 195110)]