20803239968

素因数分解:

$2^5\times 7^1\times {\mathrm{607}}^1\times {\mathrm{153001}}^1$

素因数の和:153625

約数の個数: 48

約数和(自身を含む): 46884708864

約数和(自身を除く): 26081468896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 607, 1214, 2428, 4249, 4856, 8498, 9712, 16996, 19424, 33992, 67984, 135968, 153001, 306002, 612004, 1071007, 1224008, 2142014, 2448016, 4284028, 4896032, 8568056, 17136112, 34272224, 92871607, 185743214, 371486428, 650101249, 742972856, 1300202498, 1485945712, 2600404996, 2971891424, 5200809992, 10401619984, 20803239968]

約数ペア:

[(1, 20803239968), (2, 10401619984), (4, 5200809992), (7, 2971891424), (8, 2600404996), (14, 1485945712), (16, 1300202498), (28, 742972856), (32, 650101249), (56, 371486428), (112, 185743214), (224, 92871607), (607, 34272224), (1214, 17136112), (2428, 8568056), (4249, 4896032), (4856, 4284028), (8498, 2448016), (9712, 2142014), (16996, 1224008), (19424, 1071007), (33992, 612004), (67984, 306002), (135968, 153001)]