20163538920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{31963}}^1$

素因数の和:32735

約数の個数: 128

約数和(自身を含む): 69226352640

約数和(自身を除く): 49062813720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 751, 840, 1502, 2253, 3004, 3755, 4506, 5257, 6008, 7510, 9012, 10514, 11265, 15020, 15771, 18024, 21028, 22530, 26285, 30040, 31542, 31963, 42056, 45060, 52570, 63084, 63926, 78855, 90120, 95889, 105140, 126168, 127852, 157710, 159815, 191778, 210280, 223741, 255704, 315420, 319630, 383556, 447482, 479445, 630840, 639260, 671223, 767112, 894964, 958890, 1118705, 1278520, 1342446, 1789928, 1917780, 2237410, 2684892, 3356115, 3835560, 4474820, 5369784, 6712230, 8949640, 13424460, 24004213, 26848920, 48008426, 72012639, 96016852, 120021065, 144025278, 168029491, 192033704, 240042130, 288050556, 336058982, 360063195, 480084260, 504088473, 576101112, 672117964, 720126390, 840147455, 960168520, 1008176946, 1344235928, 1440252780, 1680294910, 2016353892, 2520442365, 2880505560, 3360589820, 4032707784, 5040884730, 6721179640, 10081769460, 20163538920]

約数ペア:

[(1, 20163538920), (2, 10081769460), (3, 6721179640), (4, 5040884730), (5, 4032707784), (6, 3360589820), (7, 2880505560), (8, 2520442365), (10, 2016353892), (12, 1680294910), (14, 1440252780), (15, 1344235928), (20, 1008176946), (21, 960168520), (24, 840147455), (28, 720126390), (30, 672117964), (35, 576101112), (40, 504088473), (42, 480084260), (56, 360063195), (60, 336058982), (70, 288050556), (84, 240042130), (105, 192033704), (120, 168029491), (140, 144025278), (168, 120021065), (210, 96016852), (280, 72012639), (420, 48008426), (751, 26848920), (840, 24004213), (1502, 13424460), (2253, 8949640), (3004, 6712230), (3755, 5369784), (4506, 4474820), (5257, 3835560), (6008, 3356115), (7510, 2684892), (9012, 2237410), (10514, 1917780), (11265, 1789928), (15020, 1342446), (15771, 1278520), (18024, 1118705), (21028, 958890), (22530, 894964), (26285, 767112), (30040, 671223), (31542, 639260), (31963, 630840), (42056, 479445), (45060, 447482), (52570, 383556), (63084, 319630), (63926, 315420), (78855, 255704), (90120, 223741), (95889, 210280), (105140, 191778), (126168, 159815), (127852, 157710)]