16704220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 38723328

約数和(自身を除く): 22019108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1567, 2132, 2665, 3134, 5330, 6268, 7835, 10660, 15670, 20371, 31340, 40742, 64247, 81484, 101855, 128494, 203710, 256988, 321235, 407420, 642470, 835211, 1284940, 1670422, 3340844, 4176055, 8352110, 16704220]

約数ペア:

[(1, 16704220), (2, 8352110), (4, 4176055), (5, 3340844), (10, 1670422), (13, 1284940), (20, 835211), (26, 642470), (41, 407420), (52, 321235), (65, 256988), (82, 203710), (130, 128494), (164, 101855), (205, 81484), (260, 64247), (410, 40742), (533, 31340), (820, 20371), (1066, 15670), (1567, 10660), (2132, 7835), (2665, 6268), (3134, 5330)]