20138448105

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{25423}}^1$

素因数の和:26070

約数の個数: 48

約数和(自身を含む): 36171233280

約数和(自身を除く): 16032785175

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 607, 1305, 1821, 3035, 5463, 9105, 17603, 25423, 27315, 52809, 76269, 88015, 127115, 158427, 228807, 264045, 381345, 737267, 792135, 1144035, 2211801, 3686335, 6635403, 11059005, 15431761, 33177015, 46295283, 77158805, 138885849, 231476415, 447521069, 694429245, 1342563207, 2237605345, 4027689621, 6712816035, 20138448105]

約数ペア:

[(1, 20138448105), (3, 6712816035), (5, 4027689621), (9, 2237605345), (15, 1342563207), (29, 694429245), (45, 447521069), (87, 231476415), (145, 138885849), (261, 77158805), (435, 46295283), (607, 33177015), (1305, 15431761), (1821, 11059005), (3035, 6635403), (5463, 3686335), (9105, 2211801), (17603, 1144035), (25423, 792135), (27315, 737267), (52809, 381345), (76269, 264045), (88015, 228807), (127115, 158427)]