20149555970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1\times {\mathrm{15907}}^1$

素因数の和:16754

約数の個数: 32

約数和(自身を含む): 36512296128

約数和(自身を除く): 16362740158

約数列:

[1, 2, 5, 10, 197, 394, 643, 985, 1286, 1970, 3215, 6430, 15907, 31814, 79535, 126671, 159070, 253342, 633355, 1266710, 3133679, 6267358, 10228201, 15668395, 20456402, 31336790, 51141005, 102282010, 2014955597, 4029911194, 10074777985, 20149555970]

約数ペア:

[(1, 20149555970), (2, 10074777985), (5, 4029911194), (10, 2014955597), (197, 102282010), (394, 51141005), (643, 31336790), (985, 20456402), (1286, 15668395), (1970, 10228201), (3215, 6267358), (6430, 3133679), (15907, 1266710), (31814, 633355), (79535, 253342), (126671, 159070)]