20194994508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{391103}}^1$

素因数の和:391454

約数の個数: 48

約数和(自身を含む): 50899838976

約数和(自身を除く): 30704844468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 331, 662, 993, 1324, 1986, 3972, 4303, 8606, 12909, 17212, 25818, 51636, 391103, 782206, 1173309, 1564412, 2346618, 4693236, 5084339, 10168678, 15253017, 20337356, 30506034, 61012068, 129455093, 258910186, 388365279, 517820372, 776730558, 1553461116, 1682916209, 3365832418, 5048748627, 6731664836, 10097497254, 20194994508]

約数ペア:

[(1, 20194994508), (2, 10097497254), (3, 6731664836), (4, 5048748627), (6, 3365832418), (12, 1682916209), (13, 1553461116), (26, 776730558), (39, 517820372), (52, 388365279), (78, 258910186), (156, 129455093), (331, 61012068), (662, 30506034), (993, 20337356), (1324, 15253017), (1986, 10168678), (3972, 5084339), (4303, 4693236), (8606, 2346618), (12909, 1564412), (17212, 1173309), (25818, 782206), (51636, 391103)]