20334940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 45763200

約数和(自身を除く): 25428260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 907, 1121, 1180, 1814, 2242, 3628, 4484, 4535, 5605, 9070, 11210, 17233, 18140, 22420, 34466, 53513, 68932, 86165, 107026, 172330, 214052, 267565, 344660, 535130, 1016747, 1070260, 2033494, 4066988, 5083735, 10167470, 20334940]

約数ペア:

[(1, 20334940), (2, 10167470), (4, 5083735), (5, 4066988), (10, 2033494), (19, 1070260), (20, 1016747), (38, 535130), (59, 344660), (76, 267565), (95, 214052), (118, 172330), (190, 107026), (236, 86165), (295, 68932), (380, 53513), (590, 34466), (907, 22420), (1121, 18140), (1180, 17233), (1814, 11210), (2242, 9070), (3628, 5605), (4484, 4535)]