20199930140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{5441}}^1$

素因数の和:5703

約数の個数: 96

約数和(自身を含む): 46462489920

約数和(自身を除く): 26262559780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 131, 218, 260, 262, 436, 524, 545, 655, 1090, 1310, 1417, 1703, 2180, 2620, 2834, 3406, 5441, 5668, 6812, 7085, 8515, 10882, 14170, 14279, 17030, 21764, 27205, 28340, 28558, 34060, 54410, 57116, 70733, 71395, 108820, 141466, 142790, 185627, 282932, 285580, 353665, 371254, 593069, 707330, 712771, 742508, 928135, 1186138, 1414660, 1425542, 1856270, 2372276, 2851084, 2965345, 3563855, 3712540, 5930690, 7127710, 7709897, 9266023, 11861380, 14255420, 15419794, 18532046, 30839588, 37064092, 38549485, 46330115, 77098970, 77692039, 92660230, 154197940, 155384078, 185320460, 310768156, 388460195, 776920390, 1009996507, 1553840780, 2019993014, 4039986028, 5049982535, 10099965070, 20199930140]

約数ペア:

[(1, 20199930140), (2, 10099965070), (4, 5049982535), (5, 4039986028), (10, 2019993014), (13, 1553840780), (20, 1009996507), (26, 776920390), (52, 388460195), (65, 310768156), (109, 185320460), (130, 155384078), (131, 154197940), (218, 92660230), (260, 77692039), (262, 77098970), (436, 46330115), (524, 38549485), (545, 37064092), (655, 30839588), (1090, 18532046), (1310, 15419794), (1417, 14255420), (1703, 11861380), (2180, 9266023), (2620, 7709897), (2834, 7127710), (3406, 5930690), (5441, 3712540), (5668, 3563855), (6812, 2965345), (7085, 2851084), (8515, 2372276), (10882, 1856270), (14170, 1425542), (14279, 1414660), (17030, 1186138), (21764, 928135), (27205, 742508), (28340, 712771), (28558, 707330), (34060, 593069), (54410, 371254), (57116, 353665), (70733, 285580), (71395, 282932), (108820, 185627), (141466, 142790)]