20903871888

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{151057}}^1$

素因数の和:151133

約数の個数: 90

約数和(自身を含む): 60450239382

約数和(自身を除く): 39546367494

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 961, 1116, 1488, 1922, 2232, 2883, 3844, 4464, 5766, 7688, 8649, 11532, 15376, 17298, 23064, 34596, 46128, 69192, 138384, 151057, 302114, 453171, 604228, 906342, 1208456, 1359513, 1812684, 2416912, 2719026, 3625368, 4682767, 5438052, 7250736, 9365534, 10876104, 14048301, 18731068, 21752208, 28096602, 37462136, 42144903, 56193204, 74924272, 84289806, 112386408, 145165777, 168579612, 224772816, 290331554, 337159224, 435497331, 580663108, 674318448, 870994662, 1161326216, 1306491993, 1741989324, 2322652432, 2612983986, 3483978648, 5225967972, 6967957296, 10451935944, 20903871888]

約数ペア:

[(1, 20903871888), (2, 10451935944), (3, 6967957296), (4, 5225967972), (6, 3483978648), (8, 2612983986), (9, 2322652432), (12, 1741989324), (16, 1306491993), (18, 1161326216), (24, 870994662), (31, 674318448), (36, 580663108), (48, 435497331), (62, 337159224), (72, 290331554), (93, 224772816), (124, 168579612), (144, 145165777), (186, 112386408), (248, 84289806), (279, 74924272), (372, 56193204), (496, 42144903), (558, 37462136), (744, 28096602), (961, 21752208), (1116, 18731068), (1488, 14048301), (1922, 10876104), (2232, 9365534), (2883, 7250736), (3844, 5438052), (4464, 4682767), (5766, 3625368), (7688, 2719026), (8649, 2416912), (11532, 1812684), (15376, 1359513), (17298, 1208456), (23064, 906342), (34596, 604228), (46128, 453171), (69192, 302114), (138384, 151057)]