20810975640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1905767}}^1$

素因数の和:1905801

約数の個数: 128

約数和(自身を含む): 76840565760

約数和(自身を除く): 56029590120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1905767, 3811534, 5717301, 7623068, 9528835, 11434602, 13340369, 15246136, 19057670, 22869204, 24774971, 26680738, 28586505, 38115340, 40021107, 45738408, 49549942, 53361476, 57173010, 66701845, 74324913, 76230680, 80042214, 99099884, 106722952, 114346020, 123874855, 133403690, 148649826, 160084428, 173424797, 198199768, 200105535, 228692040, 247749710, 266807380, 297299652, 320168856, 346849594, 371624565, 400211070, 495499420, 520274391, 533614760, 594599304, 693699188, 743249130, 800422140, 867123985, 990998840, 1040548782, 1387398376, 1486498260, 1600844280, 1734247970, 2081097564, 2601371955, 2972996520, 3468495940, 4162195128, 5202743910, 6936991880, 10405487820, 20810975640]

約数ペア:

[(1, 20810975640), (2, 10405487820), (3, 6936991880), (4, 5202743910), (5, 4162195128), (6, 3468495940), (7, 2972996520), (8, 2601371955), (10, 2081097564), (12, 1734247970), (13, 1600844280), (14, 1486498260), (15, 1387398376), (20, 1040548782), (21, 990998840), (24, 867123985), (26, 800422140), (28, 743249130), (30, 693699188), (35, 594599304), (39, 533614760), (40, 520274391), (42, 495499420), (52, 400211070), (56, 371624565), (60, 346849594), (65, 320168856), (70, 297299652), (78, 266807380), (84, 247749710), (91, 228692040), (104, 200105535), (105, 198199768), (120, 173424797), (130, 160084428), (140, 148649826), (156, 133403690), (168, 123874855), (182, 114346020), (195, 106722952), (210, 99099884), (260, 80042214), (273, 76230680), (280, 74324913), (312, 66701845), (364, 57173010), (390, 53361476), (420, 49549942), (455, 45738408), (520, 40021107), (546, 38115340), (728, 28586505), (780, 26680738), (840, 24774971), (910, 22869204), (1092, 19057670), (1365, 15246136), (1560, 13340369), (1820, 11434602), (2184, 9528835), (2730, 7623068), (3640, 5717301), (5460, 3811534), (10920, 1905767)]