20164045370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{262109}}^1$

素因数の和:262287

約数の個数: 48

約数和(自身を含む): 42490127880

約数和(自身を除く): 22326082510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 157, 245, 314, 490, 785, 1099, 1570, 2198, 5495, 7693, 10990, 15386, 38465, 76930, 262109, 524218, 1310545, 1834763, 2621090, 3669526, 9173815, 12843341, 18347630, 25686682, 41151113, 64216705, 82302226, 128433410, 205755565, 288057791, 411511130, 576115582, 1440288955, 2016404537, 2880577910, 4032809074, 10082022685, 20164045370]

約数ペア:

[(1, 20164045370), (2, 10082022685), (5, 4032809074), (7, 2880577910), (10, 2016404537), (14, 1440288955), (35, 576115582), (49, 411511130), (70, 288057791), (98, 205755565), (157, 128433410), (245, 82302226), (314, 64216705), (490, 41151113), (785, 25686682), (1099, 18347630), (1570, 12843341), (2198, 9173815), (5495, 3669526), (7693, 2621090), (10990, 1834763), (15386, 1310545), (38465, 524218), (76930, 262109)]