20777610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 57434112

約数和(自身を除く): 36656502

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 607, 815, 978, 1141, 1214, 1630, 1821, 2282, 2445, 3035, 3423, 3642, 4249, 4890, 5705, 6070, 6846, 8498, 9105, 11410, 12747, 17115, 18210, 21245, 25494, 34230, 42490, 63735, 98941, 127470, 197882, 296823, 494705, 593646, 692587, 989410, 1385174, 1484115, 2077761, 2968230, 3462935, 4155522, 6925870, 10388805, 20777610]

約数ペア:

[(1, 20777610), (2, 10388805), (3, 6925870), (5, 4155522), (6, 3462935), (7, 2968230), (10, 2077761), (14, 1484115), (15, 1385174), (21, 989410), (30, 692587), (35, 593646), (42, 494705), (70, 296823), (105, 197882), (163, 127470), (210, 98941), (326, 63735), (489, 42490), (607, 34230), (815, 25494), (978, 21245), (1141, 18210), (1214, 17115), (1630, 12747), (1821, 11410), (2282, 9105), (2445, 8498), (3035, 6846), (3423, 6070), (3642, 5705), (4249, 4890)]