20898710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8069}}^1$

素因数の和:8120

約数の個数: 32

約数和(自身を含む): 44159040

約数和(自身を除く): 23260330

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 8069, 16138, 40345, 56483, 80690, 112966, 282415, 298553, 564830, 597106, 1492765, 2089871, 2985530, 4179742, 10449355, 20898710]

約数ペア:

[(1, 20898710), (2, 10449355), (5, 4179742), (7, 2985530), (10, 2089871), (14, 1492765), (35, 597106), (37, 564830), (70, 298553), (74, 282415), (185, 112966), (259, 80690), (370, 56483), (518, 40345), (1295, 16138), (2590, 8069)]