20115249490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{40151}}^1$

素因数の和:40603

約数の個数: 64

約数和(自身を含む): 43919221248

約数和(自身を除く): 23803971758

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 421, 595, 842, 1190, 2105, 2947, 4210, 5894, 7157, 14314, 14735, 29470, 35785, 40151, 50099, 71570, 80302, 100198, 200755, 250495, 281057, 401510, 500990, 562114, 682567, 1365134, 1405285, 2810570, 3412835, 4777969, 6825670, 9555938, 16903571, 23889845, 33807142, 47779690, 84517855, 118324997, 169035710, 236649994, 287360707, 574721414, 591624985, 1183249970, 1436803535, 2011524949, 2873607070, 4023049898, 10057624745, 20115249490]

約数ペア:

[(1, 20115249490), (2, 10057624745), (5, 4023049898), (7, 2873607070), (10, 2011524949), (14, 1436803535), (17, 1183249970), (34, 591624985), (35, 574721414), (70, 287360707), (85, 236649994), (119, 169035710), (170, 118324997), (238, 84517855), (421, 47779690), (595, 33807142), (842, 23889845), (1190, 16903571), (2105, 9555938), (2947, 6825670), (4210, 4777969), (5894, 3412835), (7157, 2810570), (14314, 1405285), (14735, 1365134), (29470, 682567), (35785, 562114), (40151, 500990), (50099, 401510), (71570, 281057), (80302, 250495), (100198, 200755)]