20807869140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{819853}}^1$

素因数の和:819918

約数の個数: 96

約数和(自身を含む): 66113026560

約数和(自身を除く): 45305157420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1269, 1410, 1692, 2115, 2538, 2820, 4230, 5076, 6345, 8460, 12690, 25380, 819853, 1639706, 2459559, 3279412, 4099265, 4919118, 7378677, 8198530, 9838236, 12297795, 14757354, 16397060, 22136031, 24595590, 29514708, 36893385, 38533091, 44272062, 49191180, 73786770, 77066182, 88544124, 110680155, 115599273, 147573540, 154132364, 192665455, 221360310, 231198546, 346797819, 385330910, 442720620, 462397092, 577996365, 693595638, 770661820, 1040393457, 1155992730, 1387191276, 1733989095, 2080786914, 2311985460, 3467978190, 4161573828, 5201967285, 6935956380, 10403934570, 20807869140]

約数ペア:

[(1, 20807869140), (2, 10403934570), (3, 6935956380), (4, 5201967285), (5, 4161573828), (6, 3467978190), (9, 2311985460), (10, 2080786914), (12, 1733989095), (15, 1387191276), (18, 1155992730), (20, 1040393457), (27, 770661820), (30, 693595638), (36, 577996365), (45, 462397092), (47, 442720620), (54, 385330910), (60, 346797819), (90, 231198546), (94, 221360310), (108, 192665455), (135, 154132364), (141, 147573540), (180, 115599273), (188, 110680155), (235, 88544124), (270, 77066182), (282, 73786770), (423, 49191180), (470, 44272062), (540, 38533091), (564, 36893385), (705, 29514708), (846, 24595590), (940, 22136031), (1269, 16397060), (1410, 14757354), (1692, 12297795), (2115, 9838236), (2538, 8198530), (2820, 7378677), (4230, 4919118), (5076, 4099265), (6345, 3279412), (8460, 2459559), (12690, 1639706), (25380, 819853)]