20688520590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{140423}}^1$

素因数の和:142073

約数の個数: 48

約数和(自身を含む): 53823395808

約数和(自身を除く): 33134875218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1637, 3274, 4911, 8185, 9822, 14733, 16370, 24555, 29466, 49110, 73665, 140423, 147330, 280846, 421269, 702115, 842538, 1263807, 1404230, 2106345, 2527614, 4212690, 6319035, 12638070, 229872451, 459744902, 689617353, 1149362255, 1379234706, 2068852059, 2298724510, 3448086765, 4137704118, 6896173530, 10344260295, 20688520590]

約数ペア:

[(1, 20688520590), (2, 10344260295), (3, 6896173530), (5, 4137704118), (6, 3448086765), (9, 2298724510), (10, 2068852059), (15, 1379234706), (18, 1149362255), (30, 689617353), (45, 459744902), (90, 229872451), (1637, 12638070), (3274, 6319035), (4911, 4212690), (8185, 2527614), (9822, 2106345), (14733, 1404230), (16370, 1263807), (24555, 842538), (29466, 702115), (49110, 421269), (73665, 280846), (140423, 147330)]