20584350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 55855800

約数和(自身を除く): 35271450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 149, 150, 225, 298, 307, 447, 450, 614, 745, 894, 921, 1341, 1490, 1535, 1842, 2235, 2682, 2763, 3070, 3725, 4470, 4605, 5526, 6705, 7450, 7675, 9210, 11175, 13410, 13815, 15350, 22350, 23025, 27630, 33525, 45743, 46050, 67050, 69075, 91486, 137229, 138150, 228715, 274458, 411687, 457430, 686145, 823374, 1143575, 1372290, 2058435, 2287150, 3430725, 4116870, 6861450, 10292175, 20584350]

約数ペア:

[(1, 20584350), (2, 10292175), (3, 6861450), (5, 4116870), (6, 3430725), (9, 2287150), (10, 2058435), (15, 1372290), (18, 1143575), (25, 823374), (30, 686145), (45, 457430), (50, 411687), (75, 274458), (90, 228715), (149, 138150), (150, 137229), (225, 91486), (298, 69075), (307, 67050), (447, 46050), (450, 45743), (614, 33525), (745, 27630), (894, 23025), (921, 22350), (1341, 15350), (1490, 13815), (1535, 13410), (1842, 11175), (2235, 9210), (2682, 7675), (2763, 7450), (3070, 6705), (3725, 5526), (4470, 4605)]