20210333780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1\times {\mathrm{7549}}^1$

素因数の和:9049

約数の個数: 96

約数和(自身を含む): 52278374400

約数和(自身を除く): 32068040620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1471, 1820, 2942, 5884, 7355, 7549, 10297, 14710, 15098, 19123, 20594, 29420, 30196, 37745, 38246, 41188, 51485, 52843, 75490, 76492, 95615, 98137, 102970, 105686, 133861, 150980, 191230, 196274, 205940, 211372, 264215, 267722, 382460, 392548, 490685, 528430, 535444, 669305, 686959, 981370, 1056860, 1338610, 1373918, 1962740, 2677220, 2747836, 3434795, 6869590, 11104579, 13739180, 22209158, 44418316, 55522895, 77732053, 111045790, 144359527, 155464106, 222091580, 288719054, 310928212, 388660265, 577438108, 721797635, 777320530, 1010516689, 1443595270, 1554641060, 2021033378, 2887190540, 4042066756, 5052583445, 10105166890, 20210333780]

約数ペア:

[(1, 20210333780), (2, 10105166890), (4, 5052583445), (5, 4042066756), (7, 2887190540), (10, 2021033378), (13, 1554641060), (14, 1443595270), (20, 1010516689), (26, 777320530), (28, 721797635), (35, 577438108), (52, 388660265), (65, 310928212), (70, 288719054), (91, 222091580), (130, 155464106), (140, 144359527), (182, 111045790), (260, 77732053), (364, 55522895), (455, 44418316), (910, 22209158), (1471, 13739180), (1820, 11104579), (2942, 6869590), (5884, 3434795), (7355, 2747836), (7549, 2677220), (10297, 1962740), (14710, 1373918), (15098, 1338610), (19123, 1056860), (20594, 981370), (29420, 686959), (30196, 669305), (37745, 535444), (38246, 528430), (41188, 490685), (51485, 392548), (52843, 382460), (75490, 267722), (76492, 264215), (95615, 211372), (98137, 205940), (102970, 196274), (105686, 191230), (133861, 150980)]