20189596100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2237}}^1\times {\mathrm{5309}}^1$

素因数の和:7577

約数の個数: 72

約数和(自身を含む): 46418044680

約数和(自身を除く): 26228448580

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 2237, 4474, 5309, 8948, 10618, 11185, 21236, 22370, 26545, 38029, 44740, 53090, 55925, 76058, 90253, 106180, 111850, 132725, 152116, 180506, 190145, 223700, 265450, 361012, 380290, 451265, 530900, 760580, 902530, 950725, 1805060, 1901450, 2256325, 3802900, 4512650, 9025300, 11876233, 23752466, 47504932, 59381165, 118762330, 201895961, 237524660, 296905825, 403791922, 593811650, 807583844, 1009479805, 1187623300, 2018959610, 4037919220, 5047399025, 10094798050, 20189596100]

約数ペア:

[(1, 20189596100), (2, 10094798050), (4, 5047399025), (5, 4037919220), (10, 2018959610), (17, 1187623300), (20, 1009479805), (25, 807583844), (34, 593811650), (50, 403791922), (68, 296905825), (85, 237524660), (100, 201895961), (170, 118762330), (340, 59381165), (425, 47504932), (850, 23752466), (1700, 11876233), (2237, 9025300), (4474, 4512650), (5309, 3802900), (8948, 2256325), (10618, 1901450), (11185, 1805060), (21236, 950725), (22370, 902530), (26545, 760580), (38029, 530900), (44740, 451265), (53090, 380290), (55925, 361012), (76058, 265450), (90253, 223700), (106180, 190145), (111850, 180506), (132725, 152116)]