20631930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 54632448

約数和(自身を除く): 34000518

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 103, 110, 165, 206, 309, 330, 515, 607, 618, 1030, 1133, 1214, 1545, 1821, 2266, 3035, 3090, 3399, 3642, 5665, 6070, 6677, 6798, 9105, 11330, 13354, 16995, 18210, 20031, 33385, 33990, 40062, 62521, 66770, 100155, 125042, 187563, 200310, 312605, 375126, 625210, 687731, 937815, 1375462, 1875630, 2063193, 3438655, 4126386, 6877310, 10315965, 20631930]

約数ペア:

[(1, 20631930), (2, 10315965), (3, 6877310), (5, 4126386), (6, 3438655), (10, 2063193), (11, 1875630), (15, 1375462), (22, 937815), (30, 687731), (33, 625210), (55, 375126), (66, 312605), (103, 200310), (110, 187563), (165, 125042), (206, 100155), (309, 66770), (330, 62521), (515, 40062), (607, 33990), (618, 33385), (1030, 20031), (1133, 18210), (1214, 16995), (1545, 13354), (1821, 11330), (2266, 9105), (3035, 6798), (3090, 6677), (3399, 6070), (3642, 5665)]