20687557230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9993989}}^1$

素因数の和:9994025

約数の個数: 48

約数和(自身を含む): 56126247840

約数和(自身を除く): 35438690610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9993989, 19987978, 29981967, 49969945, 59963934, 89945901, 99939890, 149909835, 179891802, 229861747, 299819670, 449729505, 459723494, 689585241, 899459010, 1149308735, 1379170482, 2068755723, 2298617470, 3447926205, 4137511446, 6895852410, 10343778615, 20687557230]

約数ペア:

[(1, 20687557230), (2, 10343778615), (3, 6895852410), (5, 4137511446), (6, 3447926205), (9, 2298617470), (10, 2068755723), (15, 1379170482), (18, 1149308735), (23, 899459010), (30, 689585241), (45, 459723494), (46, 449729505), (69, 299819670), (90, 229861747), (115, 179891802), (138, 149909835), (207, 99939890), (230, 89945901), (345, 59963934), (414, 49969945), (690, 29981967), (1035, 19987978), (2070, 9993989)]