19720144084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{4663}}^1$

素因数の和:5056

約数の個数: 48

約数和(自身を含む): 35838101376

約数和(自身を除く): 16117957292

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 241, 428, 482, 964, 4387, 4663, 8774, 9326, 9881, 17548, 18652, 19762, 25787, 39524, 51574, 103148, 191183, 382366, 498941, 764732, 997882, 1057267, 1123783, 1995764, 2114534, 2247566, 4229068, 4495132, 20456581, 40913162, 46075103, 81826324, 92150206, 120244781, 184300412, 240489562, 480979124, 4930036021, 9860072042, 19720144084]

約数ペア:

[(1, 19720144084), (2, 9860072042), (4, 4930036021), (41, 480979124), (82, 240489562), (107, 184300412), (164, 120244781), (214, 92150206), (241, 81826324), (428, 46075103), (482, 40913162), (964, 20456581), (4387, 4495132), (4663, 4229068), (8774, 2247566), (9326, 2114534), (9881, 1995764), (17548, 1123783), (18652, 1057267), (19762, 997882), (25787, 764732), (39524, 498941), (51574, 382366), (103148, 191183)]