20756190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7633

約数の個数: 64

約数和(自身を含む): 61318656

約数和(自身を除く): 40562466

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7603, 15206, 22809, 38015, 45618, 53221, 76030, 98839, 106442, 114045, 159663, 197678, 228090, 266105, 296517, 319326, 494195, 532210, 593034, 691873, 798315, 988390, 1383746, 1482585, 1596630, 2075619, 2965170, 3459365, 4151238, 6918730, 10378095, 20756190]

約数ペア:

[(1, 20756190), (2, 10378095), (3, 6918730), (5, 4151238), (6, 3459365), (7, 2965170), (10, 2075619), (13, 1596630), (14, 1482585), (15, 1383746), (21, 988390), (26, 798315), (30, 691873), (35, 593034), (39, 532210), (42, 494195), (65, 319326), (70, 296517), (78, 266105), (91, 228090), (105, 197678), (130, 159663), (182, 114045), (195, 106442), (210, 98839), (273, 76030), (390, 53221), (455, 45618), (546, 38015), (910, 22809), (1365, 15206), (2730, 7603)]