20321910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32257}}^1$

素因数の和:32277

約数の個数: 48

約数和(自身を含む): 60386976

約数和(自身を除く): 40065066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32257, 64514, 96771, 161285, 193542, 225799, 290313, 322570, 451598, 483855, 580626, 677397, 967710, 1128995, 1354794, 1451565, 2032191, 2257990, 2903130, 3386985, 4064382, 6773970, 10160955, 20321910]

約数ペア:

[(1, 20321910), (2, 10160955), (3, 6773970), (5, 4064382), (6, 3386985), (7, 2903130), (9, 2257990), (10, 2032191), (14, 1451565), (15, 1354794), (18, 1128995), (21, 967710), (30, 677397), (35, 580626), (42, 483855), (45, 451598), (63, 322570), (70, 290313), (90, 225799), (105, 193542), (126, 161285), (210, 96771), (315, 64514), (630, 32257)]