20189772980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2098729}}^1$

素因数の和:2098788

約数の個数: 48

約数和(自身を含む): 46894023120

約数和(自身を除く): 26704250140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 2098729, 4197458, 8394916, 10493645, 20987290, 27283477, 41974580, 54566954, 77652973, 109133908, 136417385, 155305946, 272834770, 310611892, 388264865, 545669540, 776529730, 1009488649, 1553059460, 2018977298, 4037954596, 5047443245, 10094886490, 20189772980]

約数ペア:

[(1, 20189772980), (2, 10094886490), (4, 5047443245), (5, 4037954596), (10, 2018977298), (13, 1553059460), (20, 1009488649), (26, 776529730), (37, 545669540), (52, 388264865), (65, 310611892), (74, 272834770), (130, 155305946), (148, 136417385), (185, 109133908), (260, 77652973), (370, 54566954), (481, 41974580), (740, 27283477), (962, 20987290), (1924, 10493645), (2405, 8394916), (4810, 4197458), (9620, 2098729)]