20812554

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3371}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 52603200

約数和(自身を除く): 31790646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3371, 6174, 6742, 10113, 20226, 23597, 30339, 47194, 60678, 70791, 141582, 165179, 212373, 330358, 424746, 495537, 991074, 1156253, 1486611, 2312506, 2973222, 3468759, 6937518, 10406277, 20812554]

約数ペア:

[(1, 20812554), (2, 10406277), (3, 6937518), (6, 3468759), (7, 2973222), (9, 2312506), (14, 1486611), (18, 1156253), (21, 991074), (42, 495537), (49, 424746), (63, 330358), (98, 212373), (126, 165179), (147, 141582), (294, 70791), (343, 60678), (441, 47194), (686, 30339), (882, 23597), (1029, 20226), (2058, 10113), (3087, 6742), (3371, 6174)]