20053856865

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{191}}^1\times {\mathrm{20407}}^1$

素因数の和:20627

約数の個数: 64

約数和(自身を含む): 37616025600

約数和(自身を除く): 17562168735

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 191, 245, 343, 573, 735, 955, 1029, 1337, 1715, 2865, 4011, 5145, 6685, 9359, 20055, 20407, 28077, 46795, 61221, 65513, 102035, 140385, 142849, 196539, 306105, 327565, 428547, 714245, 982695, 999943, 2142735, 2999829, 3897737, 4999715, 6999601, 11693211, 14999145, 19488685, 20998803, 27284159, 34998005, 58466055, 81852477, 104994015, 136420795, 190989113, 409262385, 572967339, 954945565, 1336923791, 2864836695, 4010771373, 6684618955, 20053856865]

約数ペア:

[(1, 20053856865), (3, 6684618955), (5, 4010771373), (7, 2864836695), (15, 1336923791), (21, 954945565), (35, 572967339), (49, 409262385), (105, 190989113), (147, 136420795), (191, 104994015), (245, 81852477), (343, 58466055), (573, 34998005), (735, 27284159), (955, 20998803), (1029, 19488685), (1337, 14999145), (1715, 11693211), (2865, 6999601), (4011, 4999715), (5145, 3897737), (6685, 2999829), (9359, 2142735), (20055, 999943), (20407, 982695), (28077, 714245), (46795, 428547), (61221, 327565), (65513, 306105), (102035, 196539), (140385, 142849)]