20202480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 51221520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 199, 216, 235, 240, 270, 282, 360, 376, 398, 423, 432, 470, 540, 564, 597, 705, 720, 752, 796, 846, 940, 995, 1080, 1128, 1194, 1269, 1410, 1592, 1692, 1791, 1880, 1990, 2115, 2160, 2256, 2388, 2538, 2820, 2985, 3184, 3384, 3582, 3760, 3980, 4230, 4776, 5076, 5373, 5640, 5970, 6345, 6768, 7164, 7960, 8460, 8955, 9353, 9552, 10152, 10746, 11280, 11940, 12690, 14328, 15920, 16920, 17910, 18706, 20304, 21492, 23880, 25380, 26865, 28059, 28656, 33840, 35820, 37412, 42984, 46765, 47760, 50760, 53730, 56118, 71640, 74824, 84177, 85968, 93530, 101520, 107460, 112236, 140295, 143280, 149648, 168354, 187060, 214920, 224472, 252531, 280590, 336708, 374120, 420885, 429840, 448944, 505062, 561180, 673416, 748240, 841770, 1010124, 1122360, 1262655, 1346832, 1683540, 2020248, 2244720, 2525310, 3367080, 4040496, 5050620, 6734160, 10101240, 20202480]

約数ペア:

[(1, 20202480), (2, 10101240), (3, 6734160), (4, 5050620), (5, 4040496), (6, 3367080), (8, 2525310), (9, 2244720), (10, 2020248), (12, 1683540), (15, 1346832), (16, 1262655), (18, 1122360), (20, 1010124), (24, 841770), (27, 748240), (30, 673416), (36, 561180), (40, 505062), (45, 448944), (47, 429840), (48, 420885), (54, 374120), (60, 336708), (72, 280590), (80, 252531), (90, 224472), (94, 214920), (108, 187060), (120, 168354), (135, 149648), (141, 143280), (144, 140295), (180, 112236), (188, 107460), (199, 101520), (216, 93530), (235, 85968), (240, 84177), (270, 74824), (282, 71640), (360, 56118), (376, 53730), (398, 50760), (423, 47760), (432, 46765), (470, 42984), (540, 37412), (564, 35820), (597, 33840), (705, 28656), (720, 28059), (752, 26865), (796, 25380), (846, 23880), (940, 21492), (995, 20304), (1080, 18706), (1128, 17910), (1194, 16920), (1269, 15920), (1410, 14328), (1592, 12690), (1692, 11940), (1791, 11280), (1880, 10746), (1990, 10152), (2115, 9552), (2160, 9353), (2256, 8955), (2388, 8460), (2538, 7960), (2820, 7164), (2985, 6768), (3184, 6345), (3384, 5970), (3582, 5640), (3760, 5373), (3980, 5076), (4230, 4776)]