20183488220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{17477}}^1$

素因数の和:17679

約数の個数: 96

約数和(自身を含む): 49541321088

約数和(自身を除く): 29357832868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 113, 140, 146, 226, 292, 365, 452, 511, 565, 730, 791, 1022, 1130, 1460, 1582, 2044, 2260, 2555, 3164, 3955, 5110, 7910, 8249, 10220, 15820, 16498, 17477, 32996, 34954, 41245, 57743, 69908, 82490, 87385, 115486, 122339, 164980, 174770, 230972, 244678, 288715, 349540, 489356, 577430, 611695, 1154860, 1223390, 1275821, 1974901, 2446780, 2551642, 3949802, 5103284, 6379105, 7899604, 8930747, 9874505, 12758210, 13824307, 17861494, 19749010, 25516420, 27648614, 35722988, 39498020, 44653735, 55297228, 69121535, 89307470, 138243070, 144167773, 178614940, 276486140, 288335546, 576671092, 720838865, 1009174411, 1441677730, 2018348822, 2883355460, 4036697644, 5045872055, 10091744110, 20183488220]

約数ペア:

[(1, 20183488220), (2, 10091744110), (4, 5045872055), (5, 4036697644), (7, 2883355460), (10, 2018348822), (14, 1441677730), (20, 1009174411), (28, 720838865), (35, 576671092), (70, 288335546), (73, 276486140), (113, 178614940), (140, 144167773), (146, 138243070), (226, 89307470), (292, 69121535), (365, 55297228), (452, 44653735), (511, 39498020), (565, 35722988), (730, 27648614), (791, 25516420), (1022, 19749010), (1130, 17861494), (1460, 13824307), (1582, 12758210), (2044, 9874505), (2260, 8930747), (2555, 7899604), (3164, 6379105), (3955, 5103284), (5110, 3949802), (7910, 2551642), (8249, 2446780), (10220, 1974901), (15820, 1275821), (16498, 1223390), (17477, 1154860), (32996, 611695), (34954, 577430), (41245, 489356), (57743, 349540), (69908, 288715), (82490, 244678), (87385, 230972), (115486, 174770), (122339, 164980)]