20163741944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{7507}}^1$

素因数の和:8004

約数の個数: 64

約数和(自身を含む): 40867545600

約数和(自身を除く): 20703803656

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 431, 779, 862, 1558, 1724, 3116, 3448, 6232, 7507, 8189, 15014, 16378, 17671, 30028, 32756, 35342, 60056, 65512, 70684, 141368, 142633, 285266, 307787, 335749, 570532, 615574, 671498, 1141064, 1231148, 1342996, 2462296, 2685992, 3235517, 5847953, 6471034, 11695906, 12942068, 23391812, 25884136, 46783624, 61474823, 122949646, 132656197, 245899292, 265312394, 491798584, 530624788, 1061249576, 2520467743, 5040935486, 10081870972, 20163741944]

約数ペア:

[(1, 20163741944), (2, 10081870972), (4, 5040935486), (8, 2520467743), (19, 1061249576), (38, 530624788), (41, 491798584), (76, 265312394), (82, 245899292), (152, 132656197), (164, 122949646), (328, 61474823), (431, 46783624), (779, 25884136), (862, 23391812), (1558, 12942068), (1724, 11695906), (3116, 6471034), (3448, 5847953), (6232, 3235517), (7507, 2685992), (8189, 2462296), (15014, 1342996), (16378, 1231148), (17671, 1141064), (30028, 671498), (32756, 615574), (35342, 570532), (60056, 335749), (65512, 307787), (70684, 285266), (141368, 142633)]