20444060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33746020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 239, 260, 329, 364, 455, 470, 478, 611, 658, 910, 940, 956, 1195, 1222, 1316, 1645, 1673, 1820, 2390, 2444, 3055, 3107, 3290, 3346, 4277, 4780, 6110, 6214, 6580, 6692, 8365, 8554, 11233, 12220, 12428, 15535, 16730, 17108, 21385, 21749, 22466, 31070, 33460, 42770, 43498, 44932, 56165, 62140, 78631, 85540, 86996, 108745, 112330, 146029, 157262, 217490, 224660, 292058, 314524, 393155, 434980, 584116, 730145, 786310, 1022203, 1460290, 1572620, 2044406, 2920580, 4088812, 5111015, 10222030, 20444060]

約数ペア:

[(1, 20444060), (2, 10222030), (4, 5111015), (5, 4088812), (7, 2920580), (10, 2044406), (13, 1572620), (14, 1460290), (20, 1022203), (26, 786310), (28, 730145), (35, 584116), (47, 434980), (52, 393155), (65, 314524), (70, 292058), (91, 224660), (94, 217490), (130, 157262), (140, 146029), (182, 112330), (188, 108745), (235, 86996), (239, 85540), (260, 78631), (329, 62140), (364, 56165), (455, 44932), (470, 43498), (478, 42770), (611, 33460), (658, 31070), (910, 22466), (940, 21749), (956, 21385), (1195, 17108), (1222, 16730), (1316, 15535), (1645, 12428), (1673, 12220), (1820, 11233), (2390, 8554), (2444, 8365), (3055, 6692), (3107, 6580), (3290, 6214), (3346, 6110), (4277, 4780)]