20602500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 62455008

約数和(自身を除く): 41852508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 67, 75, 82, 100, 123, 125, 134, 150, 164, 201, 205, 246, 250, 268, 300, 335, 375, 402, 410, 492, 500, 615, 625, 670, 750, 804, 820, 1005, 1025, 1230, 1250, 1340, 1500, 1675, 1875, 2010, 2050, 2460, 2500, 2747, 3075, 3350, 3750, 4020, 4100, 5025, 5125, 5494, 6150, 6700, 7500, 8241, 8375, 10050, 10250, 10988, 12300, 13735, 15375, 16482, 16750, 20100, 20500, 25125, 25625, 27470, 30750, 32964, 33500, 41205, 41875, 50250, 51250, 54940, 61500, 68675, 76875, 82410, 83750, 100500, 102500, 125625, 137350, 153750, 164820, 167500, 206025, 251250, 274700, 307500, 343375, 412050, 502500, 686750, 824100, 1030125, 1373500, 1716875, 2060250, 3433750, 4120500, 5150625, 6867500, 10301250, 20602500]

約数ペア:

[(1, 20602500), (2, 10301250), (3, 6867500), (4, 5150625), (5, 4120500), (6, 3433750), (10, 2060250), (12, 1716875), (15, 1373500), (20, 1030125), (25, 824100), (30, 686750), (41, 502500), (50, 412050), (60, 343375), (67, 307500), (75, 274700), (82, 251250), (100, 206025), (123, 167500), (125, 164820), (134, 153750), (150, 137350), (164, 125625), (201, 102500), (205, 100500), (246, 83750), (250, 82410), (268, 76875), (300, 68675), (335, 61500), (375, 54940), (402, 51250), (410, 50250), (492, 41875), (500, 41205), (615, 33500), (625, 32964), (670, 30750), (750, 27470), (804, 25625), (820, 25125), (1005, 20500), (1025, 20100), (1230, 16750), (1250, 16482), (1340, 15375), (1500, 13735), (1675, 12300), (1875, 10988), (2010, 10250), (2050, 10050), (2460, 8375), (2500, 8241), (2747, 7500), (3075, 6700), (3350, 6150), (3750, 5494), (4020, 5125), (4100, 5025)]