20170441648

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{305761}}^1$

素因数の和:305826

約数の個数: 80

約数和(自身を含む): 48530544640

約数和(自身を除く): 28360102992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4123, 4712, 8246, 9424, 16492, 32984, 65968, 305761, 611522, 1223044, 2140327, 2446088, 4280654, 4892176, 5809459, 8561308, 9478591, 11618918, 17122616, 18957182, 23237836, 34245232, 37914364, 40666213, 46475672, 66350137, 75828728, 81332426, 92951344, 132700274, 151657456, 162664852, 180093229, 265400548, 325329704, 360186458, 530801096, 650659408, 720372916, 1061602192, 1260652603, 1440745832, 2521305206, 2881491664, 5042610412, 10085220824, 20170441648]

約数ペア:

[(1, 20170441648), (2, 10085220824), (4, 5042610412), (7, 2881491664), (8, 2521305206), (14, 1440745832), (16, 1260652603), (19, 1061602192), (28, 720372916), (31, 650659408), (38, 530801096), (56, 360186458), (62, 325329704), (76, 265400548), (112, 180093229), (124, 162664852), (133, 151657456), (152, 132700274), (217, 92951344), (248, 81332426), (266, 75828728), (304, 66350137), (434, 46475672), (496, 40666213), (532, 37914364), (589, 34245232), (868, 23237836), (1064, 18957182), (1178, 17122616), (1736, 11618918), (2128, 9478591), (2356, 8561308), (3472, 5809459), (4123, 4892176), (4712, 4280654), (8246, 2446088), (9424, 2140327), (16492, 1223044), (32984, 611522), (65968, 305761)]