20145760

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 50676192

約数和(自身を除く): 30530432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 74, 80, 82, 83, 148, 160, 164, 166, 185, 205, 296, 328, 332, 370, 410, 415, 592, 656, 664, 740, 820, 830, 1184, 1312, 1328, 1480, 1517, 1640, 1660, 2656, 2960, 3034, 3071, 3280, 3320, 3403, 5920, 6068, 6142, 6560, 6640, 6806, 7585, 12136, 12284, 13280, 13612, 15170, 15355, 17015, 24272, 24568, 27224, 30340, 30710, 34030, 48544, 49136, 54448, 60680, 61420, 68060, 98272, 108896, 121360, 122840, 125911, 136120, 242720, 245680, 251822, 272240, 491360, 503644, 544480, 629555, 1007288, 1259110, 2014576, 2518220, 4029152, 5036440, 10072880, 20145760]

約数ペア:

[(1, 20145760), (2, 10072880), (4, 5036440), (5, 4029152), (8, 2518220), (10, 2014576), (16, 1259110), (20, 1007288), (32, 629555), (37, 544480), (40, 503644), (41, 491360), (74, 272240), (80, 251822), (82, 245680), (83, 242720), (148, 136120), (160, 125911), (164, 122840), (166, 121360), (185, 108896), (205, 98272), (296, 68060), (328, 61420), (332, 60680), (370, 54448), (410, 49136), (415, 48544), (592, 34030), (656, 30710), (664, 30340), (740, 27224), (820, 24568), (830, 24272), (1184, 17015), (1312, 15355), (1328, 15170), (1480, 13612), (1517, 13280), (1640, 12284), (1660, 12136), (2656, 7585), (2960, 6806), (3034, 6640), (3071, 6560), (3280, 6142), (3320, 6068), (3403, 5920)]