20278399518

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{44647}}^1$

素因数の和:45318

約数の個数: 64

約数和(自身を含む): 48605598720

約数和(自身を除く): 28327199202

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 647, 702, 1294, 1941, 3882, 5823, 8411, 11646, 16822, 17469, 25233, 34938, 44647, 50466, 75699, 89294, 133941, 151398, 227097, 267882, 401823, 454194, 580411, 803646, 1160822, 1205469, 1741233, 2410938, 3482466, 5223699, 10447398, 15671097, 28886609, 31342194, 57773218, 86659827, 173319654, 259979481, 375525917, 519958962, 751051834, 779938443, 1126577751, 1559876886, 2253155502, 3379733253, 6759466506, 10139199759, 20278399518]

約数ペア:

[(1, 20278399518), (2, 10139199759), (3, 6759466506), (6, 3379733253), (9, 2253155502), (13, 1559876886), (18, 1126577751), (26, 779938443), (27, 751051834), (39, 519958962), (54, 375525917), (78, 259979481), (117, 173319654), (234, 86659827), (351, 57773218), (647, 31342194), (702, 28886609), (1294, 15671097), (1941, 10447398), (3882, 5223699), (5823, 3482466), (8411, 2410938), (11646, 1741233), (16822, 1205469), (17469, 1160822), (25233, 803646), (34938, 580411), (44647, 454194), (50466, 401823), (75699, 267882), (89294, 227097), (133941, 151398)]