20108609990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{564373}}^1$

素因数の和:564896

約数の個数: 32

約数和(自身を含む): 41447626560

約数和(自身を除く): 21339016570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 509, 1018, 2545, 3563, 5090, 7126, 17815, 35630, 564373, 1128746, 2821865, 3950611, 5643730, 7901222, 19753055, 39506110, 287265857, 574531714, 1436329285, 2010860999, 2872658570, 4021721998, 10054304995, 20108609990]

約数ペア:

[(1, 20108609990), (2, 10054304995), (5, 4021721998), (7, 2872658570), (10, 2010860999), (14, 1436329285), (35, 574531714), (70, 287265857), (509, 39506110), (1018, 19753055), (2545, 7901222), (3563, 5643730), (5090, 3950611), (7126, 2821865), (17815, 1128746), (35630, 564373)]