20419680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2276

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 47317920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2239, 2280, 3040, 4478, 4560, 6717, 8956, 9120, 11195, 13434, 17912, 22390, 26868, 33585, 35824, 42541, 44780, 53736, 67170, 71648, 85082, 89560, 107472, 127623, 134340, 170164, 179120, 212705, 214944, 255246, 268680, 340328, 358240, 425410, 510492, 537360, 638115, 680656, 850820, 1020984, 1074720, 1276230, 1361312, 1701640, 2041968, 2552460, 3403280, 4083936, 5104920, 6806560, 10209840, 20419680]

約数ペア:

[(1, 20419680), (2, 10209840), (3, 6806560), (4, 5104920), (5, 4083936), (6, 3403280), (8, 2552460), (10, 2041968), (12, 1701640), (15, 1361312), (16, 1276230), (19, 1074720), (20, 1020984), (24, 850820), (30, 680656), (32, 638115), (38, 537360), (40, 510492), (48, 425410), (57, 358240), (60, 340328), (76, 268680), (80, 255246), (95, 214944), (96, 212705), (114, 179120), (120, 170164), (152, 134340), (160, 127623), (190, 107472), (228, 89560), (240, 85082), (285, 71648), (304, 67170), (380, 53736), (456, 44780), (480, 42541), (570, 35824), (608, 33585), (760, 26868), (912, 22390), (1140, 17912), (1520, 13434), (1824, 11195), (2239, 9120), (2280, 8956), (3040, 6717), (4478, 4560)]