20651190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3437

約数の個数: 64

約数和(自身を含む): 58613760

約数和(自身を除く): 37962570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3391, 6090, 6782, 10173, 16955, 20346, 23737, 33910, 47474, 50865, 71211, 98339, 101730, 118685, 142422, 196678, 237370, 295017, 356055, 491695, 590034, 688373, 712110, 983390, 1376746, 1475085, 2065119, 2950170, 3441865, 4130238, 6883730, 10325595, 20651190]

約数ペア:

[(1, 20651190), (2, 10325595), (3, 6883730), (5, 4130238), (6, 3441865), (7, 2950170), (10, 2065119), (14, 1475085), (15, 1376746), (21, 983390), (29, 712110), (30, 688373), (35, 590034), (42, 491695), (58, 356055), (70, 295017), (87, 237370), (105, 196678), (145, 142422), (174, 118685), (203, 101730), (210, 98339), (290, 71211), (406, 50865), (435, 47474), (609, 33910), (870, 23737), (1015, 20346), (1218, 16955), (2030, 10173), (3045, 6782), (3391, 6090)]