20008219064

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1\times {\mathrm{2789}}^1$

素因数の和:3252

約数の個数: 64

約数和(自身を含む): 39597465600

約数和(自身を除く): 19589246536

約数列:

[1, 2, 4, 8, 23, 46, 92, 127, 184, 254, 307, 508, 614, 1016, 1228, 2456, 2789, 2921, 5578, 5842, 7061, 11156, 11684, 14122, 22312, 23368, 28244, 38989, 56488, 64147, 77978, 128294, 155956, 256588, 311912, 354203, 513176, 708406, 856223, 896747, 1416812, 1712446, 1793494, 2833624, 3424892, 3586988, 6849784, 7173976, 8146669, 16293338, 19693129, 32586676, 39386258, 65173352, 78772516, 108740321, 157545032, 217480642, 434961284, 869922568, 2501027383, 5002054766, 10004109532, 20008219064]

約数ペア:

[(1, 20008219064), (2, 10004109532), (4, 5002054766), (8, 2501027383), (23, 869922568), (46, 434961284), (92, 217480642), (127, 157545032), (184, 108740321), (254, 78772516), (307, 65173352), (508, 39386258), (614, 32586676), (1016, 19693129), (1228, 16293338), (2456, 8146669), (2789, 7173976), (2921, 6849784), (5578, 3586988), (5842, 3424892), (7061, 2833624), (11156, 1793494), (11684, 1712446), (14122, 1416812), (22312, 896747), (23368, 856223), (28244, 708406), (38989, 513176), (56488, 354203), (64147, 311912), (77978, 256588), (128294, 155956)]