19743960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4013}}^1$

素因数の和:4068

約数の個数: 64

約数和(自身を含む): 60691680

約数和(自身を除く): 40947720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4013, 4920, 8026, 12039, 16052, 20065, 24078, 32104, 40130, 48156, 60195, 80260, 96312, 120390, 160520, 164533, 240780, 329066, 481560, 493599, 658132, 822665, 987198, 1316264, 1645330, 1974396, 2467995, 3290660, 3948792, 4935990, 6581320, 9871980, 19743960]

約数ペア:

[(1, 19743960), (2, 9871980), (3, 6581320), (4, 4935990), (5, 3948792), (6, 3290660), (8, 2467995), (10, 1974396), (12, 1645330), (15, 1316264), (20, 987198), (24, 822665), (30, 658132), (40, 493599), (41, 481560), (60, 329066), (82, 240780), (120, 164533), (123, 160520), (164, 120390), (205, 96312), (246, 80260), (328, 60195), (410, 48156), (492, 40130), (615, 32104), (820, 24078), (984, 20065), (1230, 16052), (1640, 12039), (2460, 8026), (4013, 4920)]