20963300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5168

約数の個数: 36

約数和(自身を含む): 46608996

約数和(自身を除く): 25645696

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5113, 10226, 20452, 25565, 51130, 102260, 127825, 209633, 255650, 419266, 511300, 838532, 1048165, 2096330, 4192660, 5240825, 10481650, 20963300]

約数ペア:

[(1, 20963300), (2, 10481650), (4, 5240825), (5, 4192660), (10, 2096330), (20, 1048165), (25, 838532), (41, 511300), (50, 419266), (82, 255650), (100, 209633), (164, 127825), (205, 102260), (410, 51130), (820, 25565), (1025, 20452), (2050, 10226), (4100, 5113)]