20749950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3547}}^1$

素因数の和:3578

約数の個数: 72

約数和(自身を含む): 60053448

約数和(自身を除く): 39303498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3547, 5850, 7094, 10641, 17735, 21282, 31923, 35470, 46111, 53205, 63846, 88675, 92222, 106410, 138333, 159615, 177350, 230555, 266025, 276666, 319230, 414999, 461110, 532050, 691665, 798075, 829998, 1152775, 1383330, 1596150, 2074995, 2305550, 3458325, 4149990, 6916650, 10374975, 20749950]

約数ペア:

[(1, 20749950), (2, 10374975), (3, 6916650), (5, 4149990), (6, 3458325), (9, 2305550), (10, 2074995), (13, 1596150), (15, 1383330), (18, 1152775), (25, 829998), (26, 798075), (30, 691665), (39, 532050), (45, 461110), (50, 414999), (65, 319230), (75, 276666), (78, 266025), (90, 230555), (117, 177350), (130, 159615), (150, 138333), (195, 106410), (225, 92222), (234, 88675), (325, 63846), (390, 53205), (450, 46111), (585, 35470), (650, 31923), (975, 21282), (1170, 17735), (1950, 10641), (2925, 7094), (3547, 5850)]