16903320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20123}}^1$

素因数の和:20144

約数の個数: 64

約数和(自身を含む): 57957120

約数和(自身を除く): 41053800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 20123, 40246, 60369, 80492, 100615, 120738, 140861, 160984, 201230, 241476, 281722, 301845, 402460, 422583, 482952, 563444, 603690, 704305, 804920, 845166, 1126888, 1207380, 1408610, 1690332, 2112915, 2414760, 2817220, 3380664, 4225830, 5634440, 8451660, 16903320]

約数ペア:

[(1, 16903320), (2, 8451660), (3, 5634440), (4, 4225830), (5, 3380664), (6, 2817220), (7, 2414760), (8, 2112915), (10, 1690332), (12, 1408610), (14, 1207380), (15, 1126888), (20, 845166), (21, 804920), (24, 704305), (28, 603690), (30, 563444), (35, 482952), (40, 422583), (42, 402460), (56, 301845), (60, 281722), (70, 241476), (84, 201230), (105, 160984), (120, 140861), (140, 120738), (168, 100615), (210, 80492), (280, 60369), (420, 40246), (840, 20123)]