20848500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 67970448

約数和(自身を除く): 47121948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 113, 123, 125, 150, 164, 180, 205, 225, 226, 246, 250, 300, 339, 369, 375, 410, 450, 452, 492, 500, 565, 615, 678, 738, 750, 820, 900, 1017, 1025, 1125, 1130, 1230, 1356, 1476, 1500, 1695, 1845, 2034, 2050, 2250, 2260, 2460, 2825, 3075, 3390, 3690, 4068, 4100, 4500, 4633, 5085, 5125, 5650, 6150, 6780, 7380, 8475, 9225, 9266, 10170, 10250, 11300, 12300, 13899, 14125, 15375, 16950, 18450, 18532, 20340, 20500, 23165, 25425, 27798, 28250, 30750, 33900, 36900, 41697, 42375, 46125, 46330, 50850, 55596, 56500, 61500, 69495, 83394, 84750, 92250, 92660, 101700, 115825, 127125, 138990, 166788, 169500, 184500, 208485, 231650, 254250, 277980, 347475, 416970, 463300, 508500, 579125, 694950, 833940, 1042425, 1158250, 1389900, 1737375, 2084850, 2316500, 3474750, 4169700, 5212125, 6949500, 10424250, 20848500]

約数ペア:

[(1, 20848500), (2, 10424250), (3, 6949500), (4, 5212125), (5, 4169700), (6, 3474750), (9, 2316500), (10, 2084850), (12, 1737375), (15, 1389900), (18, 1158250), (20, 1042425), (25, 833940), (30, 694950), (36, 579125), (41, 508500), (45, 463300), (50, 416970), (60, 347475), (75, 277980), (82, 254250), (90, 231650), (100, 208485), (113, 184500), (123, 169500), (125, 166788), (150, 138990), (164, 127125), (180, 115825), (205, 101700), (225, 92660), (226, 92250), (246, 84750), (250, 83394), (300, 69495), (339, 61500), (369, 56500), (375, 55596), (410, 50850), (450, 46330), (452, 46125), (492, 42375), (500, 41697), (565, 36900), (615, 33900), (678, 30750), (738, 28250), (750, 27798), (820, 25425), (900, 23165), (1017, 20500), (1025, 20340), (1125, 18532), (1130, 18450), (1230, 16950), (1356, 15375), (1476, 14125), (1500, 13899), (1695, 12300), (1845, 11300), (2034, 10250), (2050, 10170), (2250, 9266), (2260, 9225), (2460, 8475), (2825, 7380), (3075, 6780), (3390, 6150), (3690, 5650), (4068, 5125), (4100, 5085), (4500, 4633)]