20657490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98369}}^1$

素因数の和:98386

約数の個数: 32

約数和(自身を含む): 56661120

約数和(自身を除く): 36003630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98369, 196738, 295107, 491845, 590214, 688583, 983690, 1377166, 1475535, 2065749, 2951070, 3442915, 4131498, 6885830, 10328745, 20657490]

約数ペア:

[(1, 20657490), (2, 10328745), (3, 6885830), (5, 4131498), (6, 3442915), (7, 2951070), (10, 2065749), (14, 1475535), (15, 1377166), (21, 983690), (30, 688583), (35, 590214), (42, 491845), (70, 295107), (105, 196738), (210, 98369)]