20690838

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23459}}^1$

素因数の和:23481

約数の個数: 36

約数和(自身を含む): 52151580

約数和(自身を除く): 31460742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 23459, 46918, 70377, 140754, 164213, 211131, 328426, 422262, 492639, 985278, 1149491, 1477917, 2298982, 2955834, 3448473, 6896946, 10345419, 20690838]

約数ペア:

[(1, 20690838), (2, 10345419), (3, 6896946), (6, 3448473), (7, 2955834), (9, 2298982), (14, 1477917), (18, 1149491), (21, 985278), (42, 492639), (49, 422262), (63, 328426), (98, 211131), (126, 164213), (147, 140754), (294, 70377), (441, 46918), (882, 23459)]