20201100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 62355384

約数和(自身を除く): 42154284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 233, 255, 289, 300, 340, 425, 466, 510, 578, 699, 850, 867, 932, 1020, 1156, 1165, 1275, 1398, 1445, 1700, 1734, 2330, 2550, 2796, 2890, 3468, 3495, 3961, 4335, 4660, 5100, 5780, 5825, 6990, 7225, 7922, 8670, 11650, 11883, 13980, 14450, 15844, 17340, 17475, 19805, 21675, 23300, 23766, 28900, 34950, 39610, 43350, 47532, 59415, 67337, 69900, 79220, 86700, 99025, 118830, 134674, 198050, 202011, 237660, 269348, 297075, 336685, 396100, 404022, 594150, 673370, 808044, 1010055, 1188300, 1346740, 1683425, 2020110, 3366850, 4040220, 5050275, 6733700, 10100550, 20201100]

約数ペア:

[(1, 20201100), (2, 10100550), (3, 6733700), (4, 5050275), (5, 4040220), (6, 3366850), (10, 2020110), (12, 1683425), (15, 1346740), (17, 1188300), (20, 1010055), (25, 808044), (30, 673370), (34, 594150), (50, 404022), (51, 396100), (60, 336685), (68, 297075), (75, 269348), (85, 237660), (100, 202011), (102, 198050), (150, 134674), (170, 118830), (204, 99025), (233, 86700), (255, 79220), (289, 69900), (300, 67337), (340, 59415), (425, 47532), (466, 43350), (510, 39610), (578, 34950), (699, 28900), (850, 23766), (867, 23300), (932, 21675), (1020, 19805), (1156, 17475), (1165, 17340), (1275, 15844), (1398, 14450), (1445, 13980), (1700, 11883), (1734, 11650), (2330, 8670), (2550, 7922), (2796, 7225), (2890, 6990), (3468, 5825), (3495, 5780), (3961, 5100), (4335, 4660)]