12102020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 30250584

約数和(自身を除く): 18148564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 233, 245, 265, 371, 466, 490, 530, 742, 932, 980, 1060, 1165, 1484, 1631, 1855, 2330, 2597, 3262, 3710, 4660, 5194, 6524, 7420, 8155, 10388, 11417, 12349, 12985, 16310, 22834, 24698, 25970, 32620, 45668, 49396, 51940, 57085, 61745, 86443, 114170, 123490, 172886, 228340, 246980, 345772, 432215, 605101, 864430, 1210202, 1728860, 2420404, 3025505, 6051010, 12102020]

約数ペア:

[(1, 12102020), (2, 6051010), (4, 3025505), (5, 2420404), (7, 1728860), (10, 1210202), (14, 864430), (20, 605101), (28, 432215), (35, 345772), (49, 246980), (53, 228340), (70, 172886), (98, 123490), (106, 114170), (140, 86443), (196, 61745), (212, 57085), (233, 51940), (245, 49396), (265, 45668), (371, 32620), (466, 25970), (490, 24698), (530, 22834), (742, 16310), (932, 12985), (980, 12349), (1060, 11417), (1165, 10388), (1484, 8155), (1631, 7420), (1855, 6524), (2330, 5194), (2597, 4660), (3262, 3710)]