20359950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 55683936

約数和(自身を除く): 35323986

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 53, 65, 75, 78, 106, 130, 150, 159, 195, 197, 265, 318, 325, 390, 394, 530, 591, 650, 689, 795, 975, 985, 1182, 1325, 1378, 1590, 1950, 1970, 2067, 2561, 2650, 2955, 3445, 3975, 4134, 4925, 5122, 5910, 6890, 7683, 7950, 9850, 10335, 10441, 12805, 14775, 15366, 17225, 20670, 20882, 25610, 29550, 31323, 34450, 38415, 51675, 52205, 62646, 64025, 76830, 103350, 104410, 128050, 135733, 156615, 192075, 261025, 271466, 313230, 384150, 407199, 522050, 678665, 783075, 814398, 1357330, 1566150, 2035995, 3393325, 4071990, 6786650, 10179975, 20359950]

約数ペア:

[(1, 20359950), (2, 10179975), (3, 6786650), (5, 4071990), (6, 3393325), (10, 2035995), (13, 1566150), (15, 1357330), (25, 814398), (26, 783075), (30, 678665), (39, 522050), (50, 407199), (53, 384150), (65, 313230), (75, 271466), (78, 261025), (106, 192075), (130, 156615), (150, 135733), (159, 128050), (195, 104410), (197, 103350), (265, 76830), (318, 64025), (325, 62646), (390, 52205), (394, 51675), (530, 38415), (591, 34450), (650, 31323), (689, 29550), (795, 25610), (975, 20882), (985, 20670), (1182, 17225), (1325, 15366), (1378, 14775), (1590, 12805), (1950, 10441), (1970, 10335), (2067, 9850), (2561, 7950), (2650, 7683), (2955, 6890), (3445, 5910), (3975, 5122), (4134, 4925)]