20994750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 192

約数和(自身を含む): 68530176

約数和(自身を除く): 47535426

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 31, 35, 42, 43, 45, 50, 62, 63, 70, 75, 86, 90, 93, 105, 125, 126, 129, 150, 155, 175, 186, 210, 215, 217, 225, 250, 258, 279, 301, 310, 315, 350, 375, 387, 430, 434, 450, 465, 525, 558, 602, 630, 645, 651, 750, 774, 775, 875, 903, 930, 1050, 1075, 1085, 1125, 1290, 1302, 1333, 1395, 1505, 1550, 1575, 1750, 1806, 1935, 1953, 2150, 2170, 2250, 2325, 2625, 2666, 2709, 2790, 3010, 3150, 3225, 3255, 3870, 3875, 3906, 3999, 4515, 4650, 5250, 5375, 5418, 5425, 6450, 6510, 6665, 6975, 7525, 7750, 7875, 7998, 9030, 9331, 9675, 9765, 10750, 10850, 11625, 11997, 13330, 13545, 13950, 15050, 15750, 16125, 16275, 18662, 19350, 19530, 19995, 22575, 23250, 23994, 27090, 27125, 27993, 32250, 32550, 33325, 34875, 37625, 39990, 45150, 46655, 48375, 48825, 54250, 55986, 59985, 66650, 67725, 69750, 75250, 81375, 83979, 93310, 96750, 97650, 99975, 112875, 119970, 135450, 139965, 162750, 166625, 167958, 199950, 225750, 233275, 244125, 279930, 299925, 333250, 338625, 419895, 466550, 488250, 499875, 599850, 677250, 699825, 839790, 999750, 1166375, 1399650, 1499625, 2099475, 2332750, 2999250, 3499125, 4198950, 6998250, 10497375, 20994750]

約数ペア:

[(1, 20994750), (2, 10497375), (3, 6998250), (5, 4198950), (6, 3499125), (7, 2999250), (9, 2332750), (10, 2099475), (14, 1499625), (15, 1399650), (18, 1166375), (21, 999750), (25, 839790), (30, 699825), (31, 677250), (35, 599850), (42, 499875), (43, 488250), (45, 466550), (50, 419895), (62, 338625), (63, 333250), (70, 299925), (75, 279930), (86, 244125), (90, 233275), (93, 225750), (105, 199950), (125, 167958), (126, 166625), (129, 162750), (150, 139965), (155, 135450), (175, 119970), (186, 112875), (210, 99975), (215, 97650), (217, 96750), (225, 93310), (250, 83979), (258, 81375), (279, 75250), (301, 69750), (310, 67725), (315, 66650), (350, 59985), (375, 55986), (387, 54250), (430, 48825), (434, 48375), (450, 46655), (465, 45150), (525, 39990), (558, 37625), (602, 34875), (630, 33325), (645, 32550), (651, 32250), (750, 27993), (774, 27125), (775, 27090), (875, 23994), (903, 23250), (930, 22575), (1050, 19995), (1075, 19530), (1085, 19350), (1125, 18662), (1290, 16275), (1302, 16125), (1333, 15750), (1395, 15050), (1505, 13950), (1550, 13545), (1575, 13330), (1750, 11997), (1806, 11625), (1935, 10850), (1953, 10750), (2150, 9765), (2170, 9675), (2250, 9331), (2325, 9030), (2625, 7998), (2666, 7875), (2709, 7750), (2790, 7525), (3010, 6975), (3150, 6665), (3225, 6510), (3255, 6450), (3870, 5425), (3875, 5418), (3906, 5375), (3999, 5250), (4515, 4650)]