20050890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 52444800

約数和(自身を除く): 32393910

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1213, 1653, 2426, 2755, 3306, 3639, 5510, 6065, 7278, 8265, 12130, 16530, 18195, 23047, 35177, 36390, 46094, 69141, 70354, 105531, 115235, 138282, 175885, 211062, 230470, 345705, 351770, 527655, 668363, 691410, 1055310, 1336726, 2005089, 3341815, 4010178, 6683630, 10025445, 20050890]

約数ペア:

[(1, 20050890), (2, 10025445), (3, 6683630), (5, 4010178), (6, 3341815), (10, 2005089), (15, 1336726), (19, 1055310), (29, 691410), (30, 668363), (38, 527655), (57, 351770), (58, 345705), (87, 230470), (95, 211062), (114, 175885), (145, 138282), (174, 115235), (190, 105531), (285, 70354), (290, 69141), (435, 46094), (551, 36390), (570, 35177), (870, 23047), (1102, 18195), (1213, 16530), (1653, 12130), (2426, 8265), (2755, 7278), (3306, 6065), (3639, 5510)]