20003270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40823}}^1$

素因数の和:40844

約数の個数: 24

約数和(自身を含む): 41885424

約数和(自身を除く): 21882154

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40823, 81646, 204115, 285761, 408230, 571522, 1428805, 2000327, 2857610, 4000654, 10001635, 20003270]

約数ペア:

[(1, 20003270), (2, 10001635), (5, 4000654), (7, 2857610), (10, 2000327), (14, 1428805), (35, 571522), (49, 408230), (70, 285761), (98, 204115), (245, 81646), (490, 40823)]