20795600540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{427717}}^1$

素因数の和:427767

約数の個数: 96

約数和(自身を含む): 54323607744

約数和(自身を除く): 33528007204

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 715, 748, 884, 935, 1105, 1430, 1870, 2210, 2431, 2860, 3740, 4420, 4862, 9724, 12155, 24310, 48620, 427717, 855434, 1710868, 2138585, 4277170, 4704887, 5560321, 7271189, 8554340, 9409774, 11120642, 14542378, 18819548, 22241284, 23524435, 27801605, 29084756, 36355945, 47048870, 55603210, 61163531, 72711890, 79983079, 94097740, 94525457, 111206420, 122327062, 145423780, 159966158, 189050914, 244654124, 305817655, 319932316, 378101828, 399915395, 472627285, 611635310, 799830790, 945254570, 1039780027, 1223270620, 1599661580, 1890509140, 2079560054, 4159120108, 5198900135, 10397800270, 20795600540]

約数ペア:

[(1, 20795600540), (2, 10397800270), (4, 5198900135), (5, 4159120108), (10, 2079560054), (11, 1890509140), (13, 1599661580), (17, 1223270620), (20, 1039780027), (22, 945254570), (26, 799830790), (34, 611635310), (44, 472627285), (52, 399915395), (55, 378101828), (65, 319932316), (68, 305817655), (85, 244654124), (110, 189050914), (130, 159966158), (143, 145423780), (170, 122327062), (187, 111206420), (220, 94525457), (221, 94097740), (260, 79983079), (286, 72711890), (340, 61163531), (374, 55603210), (442, 47048870), (572, 36355945), (715, 29084756), (748, 27801605), (884, 23524435), (935, 22241284), (1105, 18819548), (1430, 14542378), (1870, 11120642), (2210, 9409774), (2431, 8554340), (2860, 7271189), (3740, 5560321), (4420, 4704887), (4862, 4277170), (9724, 2138585), (12155, 1710868), (24310, 855434), (48620, 427717)]