20688047310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{336227}}^1$

素因数の和:336537

約数の個数: 64

約数和(自身を含む): 56938194432

約数和(自身を除く): 36250147122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 293, 586, 879, 1465, 1758, 2051, 2930, 4102, 4395, 6153, 8790, 10255, 12306, 20510, 30765, 61530, 336227, 672454, 1008681, 1681135, 2017362, 2353589, 3362270, 4707178, 5043405, 7060767, 10086810, 11767945, 14121534, 23535890, 35303835, 70607670, 98514511, 197029022, 295543533, 492572555, 591087066, 689601577, 985145110, 1379203154, 1477717665, 2068804731, 2955435330, 3448007885, 4137609462, 6896015770, 10344023655, 20688047310]

約数ペア:

[(1, 20688047310), (2, 10344023655), (3, 6896015770), (5, 4137609462), (6, 3448007885), (7, 2955435330), (10, 2068804731), (14, 1477717665), (15, 1379203154), (21, 985145110), (30, 689601577), (35, 591087066), (42, 492572555), (70, 295543533), (105, 197029022), (210, 98514511), (293, 70607670), (586, 35303835), (879, 23535890), (1465, 14121534), (1758, 11767945), (2051, 10086810), (2930, 7060767), (4102, 5043405), (4395, 4707178), (6153, 3362270), (8790, 2353589), (10255, 2017362), (12306, 1681135), (20510, 1008681), (30765, 672454), (61530, 336227)]