20974560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1236

約数の個数: 96

約数和(自身を含む): 67912992

約数和(自身を除く): 46938432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1110, 1181, 1184, 1480, 1776, 2220, 2362, 2960, 3543, 3552, 4440, 4724, 5905, 5920, 7086, 8880, 9448, 11810, 14172, 17715, 17760, 18896, 23620, 28344, 35430, 37792, 43697, 47240, 56688, 70860, 87394, 94480, 113376, 131091, 141720, 174788, 188960, 218485, 262182, 283440, 349576, 436970, 524364, 566880, 655455, 699152, 873940, 1048728, 1310910, 1398304, 1747880, 2097456, 2621820, 3495760, 4194912, 5243640, 6991520, 10487280, 20974560]

約数ペア:

[(1, 20974560), (2, 10487280), (3, 6991520), (4, 5243640), (5, 4194912), (6, 3495760), (8, 2621820), (10, 2097456), (12, 1747880), (15, 1398304), (16, 1310910), (20, 1048728), (24, 873940), (30, 699152), (32, 655455), (37, 566880), (40, 524364), (48, 436970), (60, 349576), (74, 283440), (80, 262182), (96, 218485), (111, 188960), (120, 174788), (148, 141720), (160, 131091), (185, 113376), (222, 94480), (240, 87394), (296, 70860), (370, 56688), (444, 47240), (480, 43697), (555, 37792), (592, 35430), (740, 28344), (888, 23620), (1110, 18896), (1181, 17760), (1184, 17715), (1480, 14172), (1776, 11810), (2220, 9448), (2362, 8880), (2960, 7086), (3543, 5920), (3552, 5905), (4440, 4724)]