20642670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6199}}^1$

素因数の和:6249

約数の個数: 48

約数和(自身を含む): 55130400

約数和(自身を除く): 34487730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 6199, 12398, 18597, 30995, 37194, 55791, 61990, 92985, 111582, 185970, 229363, 278955, 458726, 557910, 688089, 1146815, 1376178, 2064267, 2293630, 3440445, 4128534, 6880890, 10321335, 20642670]

約数ペア:

[(1, 20642670), (2, 10321335), (3, 6880890), (5, 4128534), (6, 3440445), (9, 2293630), (10, 2064267), (15, 1376178), (18, 1146815), (30, 688089), (37, 557910), (45, 458726), (74, 278955), (90, 229363), (111, 185970), (185, 111582), (222, 92985), (333, 61990), (370, 55791), (555, 37194), (666, 30995), (1110, 18597), (1665, 12398), (3330, 6199)]