20166441548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2199

約数の個数: 96

約数和(自身を含む): 40520632320

約数和(自身を除く): 20354190772

約数列:

[1, 2, 4, 11, 22, 41, 44, 71, 79, 82, 142, 158, 164, 284, 316, 451, 781, 869, 902, 1562, 1738, 1804, 1993, 2911, 3124, 3239, 3476, 3986, 5609, 5822, 6478, 7972, 11218, 11644, 12956, 21923, 22436, 32021, 35629, 43846, 61699, 64042, 71258, 81713, 87692, 123398, 128084, 141503, 142516, 157447, 163426, 229969, 246796, 283006, 314894, 326852, 459938, 566012, 629788, 898843, 919876, 1556533, 1731917, 1797686, 2529659, 3113066, 3463834, 3595372, 5059318, 5801623, 6226132, 6455327, 6927668, 10118636, 11178737, 11603246, 12910654, 22357474, 23206492, 25821308, 44714948, 63817853, 71008597, 122966107, 127635706, 142017194, 245932214, 255271412, 284034388, 458328217, 491864428, 916656434, 1833312868, 5041610387, 10083220774, 20166441548]

約数ペア:

[(1, 20166441548), (2, 10083220774), (4, 5041610387), (11, 1833312868), (22, 916656434), (41, 491864428), (44, 458328217), (71, 284034388), (79, 255271412), (82, 245932214), (142, 142017194), (158, 127635706), (164, 122966107), (284, 71008597), (316, 63817853), (451, 44714948), (781, 25821308), (869, 23206492), (902, 22357474), (1562, 12910654), (1738, 11603246), (1804, 11178737), (1993, 10118636), (2911, 6927668), (3124, 6455327), (3239, 6226132), (3476, 5801623), (3986, 5059318), (5609, 3595372), (5822, 3463834), (6478, 3113066), (7972, 2529659), (11218, 1797686), (11644, 1731917), (12956, 1556533), (21923, 919876), (22436, 898843), (32021, 629788), (35629, 566012), (43846, 459938), (61699, 326852), (64042, 314894), (71258, 283006), (81713, 246796), (87692, 229969), (123398, 163426), (128084, 157447), (141503, 142516)]