20024760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 50938440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 769, 840, 868, 930, 1085, 1240, 1302, 1538, 1736, 1860, 2170, 2307, 2604, 3076, 3255, 3720, 3845, 4340, 4614, 5208, 5383, 6152, 6510, 7690, 8680, 9228, 10766, 11535, 13020, 15380, 16149, 18456, 21532, 23070, 23839, 26040, 26915, 30760, 32298, 43064, 46140, 47678, 53830, 64596, 71517, 80745, 92280, 95356, 107660, 119195, 129192, 143034, 161490, 166873, 190712, 215320, 238390, 286068, 322980, 333746, 357585, 476780, 500619, 572136, 645960, 667492, 715170, 834365, 953560, 1001238, 1334984, 1430340, 1668730, 2002476, 2503095, 2860680, 3337460, 4004952, 5006190, 6674920, 10012380, 20024760]

約数ペア:

[(1, 20024760), (2, 10012380), (3, 6674920), (4, 5006190), (5, 4004952), (6, 3337460), (7, 2860680), (8, 2503095), (10, 2002476), (12, 1668730), (14, 1430340), (15, 1334984), (20, 1001238), (21, 953560), (24, 834365), (28, 715170), (30, 667492), (31, 645960), (35, 572136), (40, 500619), (42, 476780), (56, 357585), (60, 333746), (62, 322980), (70, 286068), (84, 238390), (93, 215320), (105, 190712), (120, 166873), (124, 161490), (140, 143034), (155, 129192), (168, 119195), (186, 107660), (210, 95356), (217, 92280), (248, 80745), (280, 71517), (310, 64596), (372, 53830), (420, 47678), (434, 46140), (465, 43064), (620, 32298), (651, 30760), (744, 26915), (769, 26040), (840, 23839), (868, 23070), (930, 21532), (1085, 18456), (1240, 16149), (1302, 15380), (1538, 13020), (1736, 11535), (1860, 10766), (2170, 9228), (2307, 8680), (2604, 7690), (3076, 6510), (3255, 6152), (3720, 5383), (3845, 5208), (4340, 4614)]