20839770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1741}}^1$

素因数の和:1780

約数の個数: 96

約数和(自身を含む): 65220480

約数和(自身を除く): 44380710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1710, 1741, 1995, 2394, 3482, 3990, 5223, 5985, 8705, 10446, 11970, 12187, 15669, 17410, 24374, 26115, 31338, 33079, 36561, 52230, 60935, 66158, 73122, 78345, 99237, 109683, 121870, 156690, 165395, 182805, 198474, 219366, 231553, 297711, 330790, 365610, 463106, 496185, 548415, 595422, 694659, 992370, 1096830, 1157765, 1389318, 1488555, 2083977, 2315530, 2977110, 3473295, 4167954, 6946590, 10419885, 20839770]

約数ペア:

[(1, 20839770), (2, 10419885), (3, 6946590), (5, 4167954), (6, 3473295), (7, 2977110), (9, 2315530), (10, 2083977), (14, 1488555), (15, 1389318), (18, 1157765), (19, 1096830), (21, 992370), (30, 694659), (35, 595422), (38, 548415), (42, 496185), (45, 463106), (57, 365610), (63, 330790), (70, 297711), (90, 231553), (95, 219366), (105, 198474), (114, 182805), (126, 165395), (133, 156690), (171, 121870), (190, 109683), (210, 99237), (266, 78345), (285, 73122), (315, 66158), (342, 60935), (399, 52230), (570, 36561), (630, 33079), (665, 31338), (798, 26115), (855, 24374), (1197, 17410), (1330, 15669), (1710, 12187), (1741, 11970), (1995, 10446), (2394, 8705), (3482, 5985), (3990, 5223)]