20538630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10867}}^1$

素因数の和:10890

約数の個数: 64

約数和(自身を含む): 62599680

約数和(自身を除く): 42061050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10867, 21734, 32601, 54335, 65202, 76069, 97803, 108670, 152138, 163005, 195606, 228207, 293409, 326010, 380345, 456414, 489015, 586818, 684621, 760690, 978030, 1141035, 1369242, 1467045, 2053863, 2282070, 2934090, 3423105, 4107726, 6846210, 10269315, 20538630]

約数ペア:

[(1, 20538630), (2, 10269315), (3, 6846210), (5, 4107726), (6, 3423105), (7, 2934090), (9, 2282070), (10, 2053863), (14, 1467045), (15, 1369242), (18, 1141035), (21, 978030), (27, 760690), (30, 684621), (35, 586818), (42, 489015), (45, 456414), (54, 380345), (63, 326010), (70, 293409), (90, 228207), (105, 195606), (126, 163005), (135, 152138), (189, 108670), (210, 97803), (270, 76069), (315, 65202), (378, 54335), (630, 32601), (945, 21734), (1890, 10867)]