20673987200

素因数分解:

$2^7\times 5^2\times {\mathrm{43}}^1\times {\mathrm{150247}}^1$

素因数の和:150314

約数の個数: 96

約数和(自身を含む): 52259259360

約数和(自身を除く): 31585272160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 320, 344, 400, 430, 640, 688, 800, 860, 1075, 1376, 1600, 1720, 2150, 2752, 3200, 3440, 4300, 5504, 6880, 8600, 13760, 17200, 27520, 34400, 68800, 137600, 150247, 300494, 600988, 751235, 1201976, 1502470, 2403952, 3004940, 3756175, 4807904, 6009880, 6460621, 7512350, 9615808, 12019760, 12921242, 15024700, 19231616, 24039520, 25842484, 30049400, 32303105, 48079040, 51684968, 60098800, 64606210, 96158080, 103369936, 120197600, 129212420, 161515525, 206739872, 240395200, 258424840, 323031050, 413479744, 480790400, 516849680, 646062100, 826959488, 1033699360, 1292124200, 2067398720, 2584248400, 4134797440, 5168496800, 10336993600, 20673987200]

約数ペア:

[(1, 20673987200), (2, 10336993600), (4, 5168496800), (5, 4134797440), (8, 2584248400), (10, 2067398720), (16, 1292124200), (20, 1033699360), (25, 826959488), (32, 646062100), (40, 516849680), (43, 480790400), (50, 413479744), (64, 323031050), (80, 258424840), (86, 240395200), (100, 206739872), (128, 161515525), (160, 129212420), (172, 120197600), (200, 103369936), (215, 96158080), (320, 64606210), (344, 60098800), (400, 51684968), (430, 48079040), (640, 32303105), (688, 30049400), (800, 25842484), (860, 24039520), (1075, 19231616), (1376, 15024700), (1600, 12921242), (1720, 12019760), (2150, 9615808), (2752, 7512350), (3200, 6460621), (3440, 6009880), (4300, 4807904), (5504, 3756175), (6880, 3004940), (8600, 2403952), (13760, 1502470), (17200, 1201976), (27520, 751235), (34400, 600988), (68800, 300494), (137600, 150247)]