20682750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 59304960

約数和(自身を除く): 38622210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 25, 30, 33, 46, 50, 55, 66, 69, 75, 109, 110, 115, 125, 138, 150, 165, 218, 230, 250, 253, 275, 327, 330, 345, 375, 506, 545, 550, 575, 654, 690, 750, 759, 825, 1090, 1150, 1199, 1265, 1375, 1518, 1635, 1650, 1725, 2398, 2507, 2530, 2725, 2750, 2875, 3270, 3450, 3597, 3795, 4125, 5014, 5450, 5750, 5995, 6325, 7194, 7521, 7590, 8175, 8250, 8625, 11990, 12535, 12650, 13625, 15042, 16350, 17250, 17985, 18975, 25070, 27250, 27577, 29975, 31625, 35970, 37605, 37950, 40875, 55154, 59950, 62675, 63250, 75210, 81750, 82731, 89925, 94875, 125350, 137885, 149875, 165462, 179850, 188025, 189750, 275770, 299750, 313375, 376050, 413655, 449625, 626750, 689425, 827310, 899250, 940125, 1378850, 1880250, 2068275, 3447125, 4136550, 6894250, 10341375, 20682750]

約数ペア:

[(1, 20682750), (2, 10341375), (3, 6894250), (5, 4136550), (6, 3447125), (10, 2068275), (11, 1880250), (15, 1378850), (22, 940125), (23, 899250), (25, 827310), (30, 689425), (33, 626750), (46, 449625), (50, 413655), (55, 376050), (66, 313375), (69, 299750), (75, 275770), (109, 189750), (110, 188025), (115, 179850), (125, 165462), (138, 149875), (150, 137885), (165, 125350), (218, 94875), (230, 89925), (250, 82731), (253, 81750), (275, 75210), (327, 63250), (330, 62675), (345, 59950), (375, 55154), (506, 40875), (545, 37950), (550, 37605), (575, 35970), (654, 31625), (690, 29975), (750, 27577), (759, 27250), (825, 25070), (1090, 18975), (1150, 17985), (1199, 17250), (1265, 16350), (1375, 15042), (1518, 13625), (1635, 12650), (1650, 12535), (1725, 11990), (2398, 8625), (2507, 8250), (2530, 8175), (2725, 7590), (2750, 7521), (2875, 7194), (3270, 6325), (3450, 5995), (3597, 5750), (3795, 5450), (4125, 5014)]