20165186748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^2\times {\mathrm{30307}}^1$

素因数の和:30499

約数の個数: 72

約数和(自身を含む): 54386614912

約数和(自身を除く): 34221428164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 7921, 15842, 23763, 30307, 31684, 47526, 55447, 60614, 90921, 95052, 110894, 121228, 166341, 181842, 212149, 221788, 332682, 363684, 424298, 636447, 665364, 848596, 1272894, 2545788, 2697323, 5394646, 8091969, 10789292, 16183938, 18881261, 32367876, 37762522, 56643783, 75525044, 113287566, 226575132, 240061747, 480123494, 720185241, 960246988, 1440370482, 1680432229, 2880740964, 3360864458, 5041296687, 6721728916, 10082593374, 20165186748]

約数ペア:

[(1, 20165186748), (2, 10082593374), (3, 6721728916), (4, 5041296687), (6, 3360864458), (7, 2880740964), (12, 1680432229), (14, 1440370482), (21, 960246988), (28, 720185241), (42, 480123494), (84, 240061747), (89, 226575132), (178, 113287566), (267, 75525044), (356, 56643783), (534, 37762522), (623, 32367876), (1068, 18881261), (1246, 16183938), (1869, 10789292), (2492, 8091969), (3738, 5394646), (7476, 2697323), (7921, 2545788), (15842, 1272894), (23763, 848596), (30307, 665364), (31684, 636447), (47526, 424298), (55447, 363684), (60614, 332682), (90921, 221788), (95052, 212149), (110894, 181842), (121228, 166341)]