20161395104

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{495707}}^1$

素因数の和:495789

約数の個数: 48

約数和(自身を含む): 41972587776

約数和(自身を除く): 21811192672

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 248, 328, 496, 656, 992, 1271, 1312, 2542, 5084, 10168, 20336, 40672, 495707, 991414, 1982828, 3965656, 7931312, 15366917, 15862624, 20323987, 30733834, 40647974, 61467668, 81295948, 122935336, 162591896, 245870672, 325183792, 491741344, 630043597, 650367584, 1260087194, 2520174388, 5040348776, 10080697552, 20161395104]

約数ペア:

[(1, 20161395104), (2, 10080697552), (4, 5040348776), (8, 2520174388), (16, 1260087194), (31, 650367584), (32, 630043597), (41, 491741344), (62, 325183792), (82, 245870672), (124, 162591896), (164, 122935336), (248, 81295948), (328, 61467668), (496, 40647974), (656, 30733834), (992, 20323987), (1271, 15862624), (1312, 15366917), (2542, 7931312), (5084, 3965656), (10168, 1982828), (20336, 991414), (40672, 495707)]