20684300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2273}}^1$

素因数の和:2307

約数の個数: 72

約数和(自身を含む): 55267296

約数和(自身を除く): 34582996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2273, 2275, 4546, 4550, 9092, 9100, 11365, 15911, 22730, 29549, 31822, 45460, 56825, 59098, 63644, 79555, 113650, 118196, 147745, 159110, 206843, 227300, 295490, 318220, 397775, 413686, 590980, 738725, 795550, 827372, 1034215, 1477450, 1591100, 2068430, 2954900, 4136860, 5171075, 10342150, 20684300]

約数ペア:

[(1, 20684300), (2, 10342150), (4, 5171075), (5, 4136860), (7, 2954900), (10, 2068430), (13, 1591100), (14, 1477450), (20, 1034215), (25, 827372), (26, 795550), (28, 738725), (35, 590980), (50, 413686), (52, 397775), (65, 318220), (70, 295490), (91, 227300), (100, 206843), (130, 159110), (140, 147745), (175, 118196), (182, 113650), (260, 79555), (325, 63644), (350, 59098), (364, 56825), (455, 45460), (650, 31822), (700, 29549), (910, 22730), (1300, 15911), (1820, 11365), (2273, 9100), (2275, 9092), (4546, 4550)]