20120305970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{14957}}^1$

素因数の和:15215

約数の個数: 64

約数和(自身を含む): 39488402016

約数和(自身を除く): 19368096046

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 193, 205, 386, 410, 697, 965, 1394, 1930, 3281, 3485, 6562, 6970, 7913, 14957, 15826, 16405, 29914, 32810, 39565, 74785, 79130, 134521, 149570, 254269, 269042, 508538, 613237, 672605, 1226474, 1271345, 1345210, 2542690, 2886701, 3066185, 5773402, 6132370, 10425029, 14433505, 20850058, 28867010, 49073917, 52125145, 98147834, 104250290, 118354741, 236709482, 245369585, 490739170, 591773705, 1183547410, 2012030597, 4024061194, 10060152985, 20120305970]

約数ペア:

[(1, 20120305970), (2, 10060152985), (5, 4024061194), (10, 2012030597), (17, 1183547410), (34, 591773705), (41, 490739170), (82, 245369585), (85, 236709482), (170, 118354741), (193, 104250290), (205, 98147834), (386, 52125145), (410, 49073917), (697, 28867010), (965, 20850058), (1394, 14433505), (1930, 10425029), (3281, 6132370), (3485, 5773402), (6562, 3066185), (6970, 2886701), (7913, 2542690), (14957, 1345210), (15826, 1271345), (16405, 1226474), (29914, 672605), (32810, 613237), (39565, 508538), (74785, 269042), (79130, 254269), (134521, 149570)]