20371230

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 62553600

約数和(自身を除く): 42182370

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 361, 418, 495, 513, 570, 594, 627, 722, 855, 990, 1026, 1045, 1083, 1254, 1485, 1710, 1805, 1881, 2090, 2166, 2565, 2970, 3135, 3249, 3610, 3762, 3971, 5130, 5415, 5643, 6270, 6498, 6859, 7942, 9405, 9747, 10830, 11286, 11913, 13718, 16245, 18810, 19494, 19855, 20577, 23826, 28215, 32490, 34295, 35739, 39710, 41154, 48735, 56430, 59565, 61731, 68590, 71478, 75449, 97470, 102885, 107217, 119130, 123462, 150898, 178695, 185193, 205770, 214434, 226347, 308655, 357390, 370386, 377245, 452694, 536085, 617310, 679041, 754490, 925965, 1072170, 1131735, 1358082, 1851930, 2037123, 2263470, 3395205, 4074246, 6790410, 10185615, 20371230]

約数ペア:

[(1, 20371230), (2, 10185615), (3, 6790410), (5, 4074246), (6, 3395205), (9, 2263470), (10, 2037123), (11, 1851930), (15, 1358082), (18, 1131735), (19, 1072170), (22, 925965), (27, 754490), (30, 679041), (33, 617310), (38, 536085), (45, 452694), (54, 377245), (55, 370386), (57, 357390), (66, 308655), (90, 226347), (95, 214434), (99, 205770), (110, 185193), (114, 178695), (135, 150898), (165, 123462), (171, 119130), (190, 107217), (198, 102885), (209, 97470), (270, 75449), (285, 71478), (297, 68590), (330, 61731), (342, 59565), (361, 56430), (418, 48735), (495, 41154), (513, 39710), (570, 35739), (594, 34295), (627, 32490), (722, 28215), (855, 23826), (990, 20577), (1026, 19855), (1045, 19494), (1083, 18810), (1254, 16245), (1485, 13718), (1710, 11913), (1805, 11286), (1881, 10830), (2090, 9747), (2166, 9405), (2565, 7942), (2970, 6859), (3135, 6498), (3249, 6270), (3610, 5643), (3762, 5415), (3971, 5130)]