20630538

素因数分解:

$2^1\times 3^4\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:728

約数の個数: 40

約数和(自身を含む): 46487232

約数和(自身を除く): 25856694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 347, 367, 694, 734, 1041, 1101, 2082, 2202, 3123, 3303, 6246, 6606, 9369, 9909, 18738, 19818, 28107, 29727, 56214, 59454, 127349, 254698, 382047, 764094, 1146141, 2292282, 3438423, 6876846, 10315269, 20630538]

約数ペア:

[(1, 20630538), (2, 10315269), (3, 6876846), (6, 3438423), (9, 2292282), (18, 1146141), (27, 764094), (54, 382047), (81, 254698), (162, 127349), (347, 59454), (367, 56214), (694, 29727), (734, 28107), (1041, 19818), (1101, 18738), (2082, 9909), (2202, 9369), (3123, 6606), (3303, 6246)]