20828563812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4861943}}^1$

素因数の和:4861977

約数の個数: 72

約数和(自身を含む): 63710914176

約数和(自身を除く): 42882350364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4861943, 9723886, 14585829, 19447772, 29171658, 34033601, 43757487, 58343316, 68067202, 82653031, 87514974, 102100803, 136134404, 165306062, 175029948, 204201606, 247959093, 306302409, 330612124, 408403212, 495918186, 578571217, 612604818, 743877279, 991836372, 1157142434, 1225209636, 1487754558, 1735713651, 2314284868, 2975509116, 3471427302, 5207140953, 6942854604, 10414281906, 20828563812]

約数ペア:

[(1, 20828563812), (2, 10414281906), (3, 6942854604), (4, 5207140953), (6, 3471427302), (7, 2975509116), (9, 2314284868), (12, 1735713651), (14, 1487754558), (17, 1225209636), (18, 1157142434), (21, 991836372), (28, 743877279), (34, 612604818), (36, 578571217), (42, 495918186), (51, 408403212), (63, 330612124), (68, 306302409), (84, 247959093), (102, 204201606), (119, 175029948), (126, 165306062), (153, 136134404), (204, 102100803), (238, 87514974), (252, 82653031), (306, 68067202), (357, 58343316), (476, 43757487), (612, 34033601), (714, 29171658), (1071, 19447772), (1428, 14585829), (2142, 9723886), (4284, 4861943)]