20075055

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 44126208

約数和(自身を除く): 24051153

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 49, 55, 65, 77, 91, 105, 143, 147, 165, 191, 195, 231, 245, 273, 385, 429, 455, 539, 573, 637, 715, 735, 955, 1001, 1155, 1337, 1365, 1617, 1911, 2101, 2145, 2483, 2695, 2865, 3003, 3185, 4011, 5005, 6303, 6685, 7007, 7449, 8085, 9359, 9555, 10505, 12415, 14707, 15015, 17381, 20055, 21021, 27313, 28077, 31515, 35035, 37245, 44121, 46795, 52143, 73535, 81939, 86905, 102949, 105105, 121667, 136565, 140385, 191191, 220605, 260715, 308847, 365001, 409695, 514745, 573573, 608335, 955955, 1338337, 1544235, 1825005, 2867865, 4015011, 6691685, 20075055]

約数ペア:

[(1, 20075055), (3, 6691685), (5, 4015011), (7, 2867865), (11, 1825005), (13, 1544235), (15, 1338337), (21, 955955), (33, 608335), (35, 573573), (39, 514745), (49, 409695), (55, 365001), (65, 308847), (77, 260715), (91, 220605), (105, 191191), (143, 140385), (147, 136565), (165, 121667), (191, 105105), (195, 102949), (231, 86905), (245, 81939), (273, 73535), (385, 52143), (429, 46795), (455, 44121), (539, 37245), (573, 35035), (637, 31515), (715, 28077), (735, 27313), (955, 21021), (1001, 20055), (1155, 17381), (1337, 15015), (1365, 14707), (1617, 12415), (1911, 10505), (2101, 9555), (2145, 9359), (2483, 8085), (2695, 7449), (2865, 7007), (3003, 6685), (3185, 6303), (4011, 5005)]