20115780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3767}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 56972160

約数和(自身を除く): 36856380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 3767, 5340, 7534, 11301, 15068, 18835, 22602, 37670, 45204, 56505, 75340, 113010, 226020, 335263, 670526, 1005789, 1341052, 1676315, 2011578, 3352630, 4023156, 5028945, 6705260, 10057890, 20115780]

約数ペア:

[(1, 20115780), (2, 10057890), (3, 6705260), (4, 5028945), (5, 4023156), (6, 3352630), (10, 2011578), (12, 1676315), (15, 1341052), (20, 1005789), (30, 670526), (60, 335263), (89, 226020), (178, 113010), (267, 75340), (356, 56505), (445, 45204), (534, 37670), (890, 22602), (1068, 18835), (1335, 15068), (1780, 11301), (2670, 7534), (3767, 5340)]