20281032

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 59042880

約数和(自身を除く): 38761848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 37, 46, 69, 72, 74, 92, 111, 138, 148, 184, 207, 222, 276, 296, 331, 333, 414, 444, 552, 662, 666, 828, 851, 888, 993, 1324, 1332, 1656, 1702, 1986, 2553, 2648, 2664, 2979, 3404, 3972, 5106, 5958, 6808, 7613, 7659, 7944, 10212, 11916, 12247, 15226, 15318, 20424, 22839, 23832, 24494, 30452, 30636, 36741, 45678, 48988, 60904, 61272, 68517, 73482, 91356, 97976, 110223, 137034, 146964, 182712, 220446, 274068, 281681, 293928, 440892, 548136, 563362, 845043, 881784, 1126724, 1690086, 2253448, 2535129, 3380172, 5070258, 6760344, 10140516, 20281032]

約数ペア:

[(1, 20281032), (2, 10140516), (3, 6760344), (4, 5070258), (6, 3380172), (8, 2535129), (9, 2253448), (12, 1690086), (18, 1126724), (23, 881784), (24, 845043), (36, 563362), (37, 548136), (46, 440892), (69, 293928), (72, 281681), (74, 274068), (92, 220446), (111, 182712), (138, 146964), (148, 137034), (184, 110223), (207, 97976), (222, 91356), (276, 73482), (296, 68517), (331, 61272), (333, 60904), (414, 48988), (444, 45678), (552, 36741), (662, 30636), (666, 30452), (828, 24494), (851, 23832), (888, 22839), (993, 20424), (1324, 15318), (1332, 15226), (1656, 12247), (1702, 11916), (1986, 10212), (2553, 7944), (2648, 7659), (2664, 7613), (2979, 6808), (3404, 5958), (3972, 5106)]