20921730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41023}}^1$

素因数の和:41050

約数の個数: 32

約数和(自身を含む): 53167104

約数和(自身を除く): 32245374

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41023, 82046, 123069, 205115, 246138, 410230, 615345, 697391, 1230690, 1394782, 2092173, 3486955, 4184346, 6973910, 10460865, 20921730]

約数ペア:

[(1, 20921730), (2, 10460865), (3, 6973910), (5, 4184346), (6, 3486955), (10, 2092173), (15, 1394782), (17, 1230690), (30, 697391), (34, 615345), (51, 410230), (85, 246138), (102, 205115), (170, 123069), (255, 82046), (510, 41023)]