20193770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4621}}^1$

素因数の和:4670

約数の個数: 32

約数和(自身を含む): 39934080

約数和(自身を除く): 19740310

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4621, 9242, 23105, 46210, 87799, 106283, 175598, 212566, 438995, 531415, 877990, 1062830, 2019377, 4038754, 10096885, 20193770]

約数ペア:

[(1, 20193770), (2, 10096885), (5, 4038754), (10, 2019377), (19, 1062830), (23, 877990), (38, 531415), (46, 438995), (95, 212566), (115, 175598), (190, 106283), (230, 87799), (437, 46210), (874, 23105), (2185, 9242), (4370, 4621)]