20169032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 43848000

約数和(自身を除く): 23678968

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 118, 152, 173, 236, 247, 346, 472, 494, 692, 767, 988, 1121, 1384, 1534, 1976, 2242, 2249, 3068, 3287, 4484, 4498, 6136, 6574, 8968, 8996, 10207, 13148, 14573, 17992, 20414, 26296, 29146, 40828, 42731, 58292, 81656, 85462, 116584, 132691, 170924, 193933, 265382, 341848, 387866, 530764, 775732, 1061528, 1551464, 2521129, 5042258, 10084516, 20169032]

約数ペア:

[(1, 20169032), (2, 10084516), (4, 5042258), (8, 2521129), (13, 1551464), (19, 1061528), (26, 775732), (38, 530764), (52, 387866), (59, 341848), (76, 265382), (104, 193933), (118, 170924), (152, 132691), (173, 116584), (236, 85462), (247, 81656), (346, 58292), (472, 42731), (494, 40828), (692, 29146), (767, 26296), (988, 20414), (1121, 17992), (1384, 14573), (1534, 13148), (1976, 10207), (2242, 8996), (2249, 8968), (3068, 6574), (3287, 6136), (4484, 4498)]