20291200

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{373}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 53216460

約数和(自身を除く): 32925260

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 272, 320, 340, 373, 400, 425, 544, 640, 680, 746, 800, 850, 1088, 1360, 1492, 1600, 1700, 1865, 2176, 2720, 2984, 3200, 3400, 3730, 5440, 5968, 6341, 6800, 7460, 9325, 10880, 11936, 12682, 13600, 14920, 18650, 23872, 25364, 27200, 29840, 31705, 37300, 47744, 50728, 54400, 59680, 63410, 74600, 101456, 119360, 126820, 149200, 158525, 202912, 238720, 253640, 298400, 317050, 405824, 507280, 596800, 634100, 811648, 1014560, 1193600, 1268200, 2029120, 2536400, 4058240, 5072800, 10145600, 20291200]

約数ペア:

[(1, 20291200), (2, 10145600), (4, 5072800), (5, 4058240), (8, 2536400), (10, 2029120), (16, 1268200), (17, 1193600), (20, 1014560), (25, 811648), (32, 634100), (34, 596800), (40, 507280), (50, 405824), (64, 317050), (68, 298400), (80, 253640), (85, 238720), (100, 202912), (128, 158525), (136, 149200), (160, 126820), (170, 119360), (200, 101456), (272, 74600), (320, 63410), (340, 59680), (373, 54400), (400, 50728), (425, 47744), (544, 37300), (640, 31705), (680, 29840), (746, 27200), (800, 25364), (850, 23872), (1088, 18650), (1360, 14920), (1492, 13600), (1600, 12682), (1700, 11936), (1865, 10880), (2176, 9325), (2720, 7460), (2984, 6800), (3200, 6341), (3400, 5968), (3730, 5440)]