20869600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1373}}^1$

素因数の和:1412

約数の個数: 72

約数和(自身を含む): 53668440

約数和(自身を除く): 32798840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1373, 1520, 1900, 2746, 3040, 3800, 5492, 6865, 7600, 10984, 13730, 15200, 21968, 26087, 27460, 34325, 43936, 52174, 54920, 68650, 104348, 109840, 130435, 137300, 208696, 219680, 260870, 274600, 417392, 521740, 549200, 652175, 834784, 1043480, 1098400, 1304350, 2086960, 2608700, 4173920, 5217400, 10434800, 20869600]

約数ペア:

[(1, 20869600), (2, 10434800), (4, 5217400), (5, 4173920), (8, 2608700), (10, 2086960), (16, 1304350), (19, 1098400), (20, 1043480), (25, 834784), (32, 652175), (38, 549200), (40, 521740), (50, 417392), (76, 274600), (80, 260870), (95, 219680), (100, 208696), (152, 137300), (160, 130435), (190, 109840), (200, 104348), (304, 68650), (380, 54920), (400, 52174), (475, 43936), (608, 34325), (760, 27460), (800, 26087), (950, 21968), (1373, 15200), (1520, 13730), (1900, 10984), (2746, 7600), (3040, 6865), (3800, 5492)]