20762782640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:907

約数の個数: 160

約数和(自身を含む): 51326286336

約数和(自身を除く): 30563503696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 331, 365, 368, 460, 467, 584, 662, 730, 920, 934, 1168, 1324, 1460, 1655, 1679, 1840, 1868, 2335, 2648, 2920, 3310, 3358, 3736, 4670, 5296, 5840, 6620, 6716, 7472, 7613, 8395, 9340, 10741, 13240, 13432, 15226, 16790, 18680, 21482, 24163, 26480, 26864, 30452, 33580, 34091, 37360, 38065, 42964, 48326, 53705, 60904, 67160, 68182, 76130, 85928, 96652, 107410, 120815, 121808, 134320, 136364, 152260, 154577, 170455, 171856, 193304, 214820, 241630, 272728, 304520, 309154, 340910, 386608, 429640, 483260, 545456, 555749, 609040, 618308, 681820, 772885, 784093, 859280, 966520, 1111498, 1236616, 1363640, 1545770, 1568186, 1933040, 2222996, 2473232, 2727280, 2778745, 3091540, 3136372, 3555271, 3920465, 4445992, 5557490, 6183080, 6272744, 7110542, 7840930, 8891984, 11114980, 11284121, 12366160, 12545488, 14221084, 15681860, 17776355, 22229960, 22568242, 28442168, 31363720, 35552710, 44459920, 45136484, 56420605, 56884336, 62727440, 71105420, 90272968, 112841210, 142210840, 180545936, 225682420, 259534783, 284421680, 451364840, 519069566, 902729680, 1038139132, 1297673915, 2076278264, 2595347830, 4152556528, 5190695660, 10381391320, 20762782640]

約数ペア:

[(1, 20762782640), (2, 10381391320), (4, 5190695660), (5, 4152556528), (8, 2595347830), (10, 2076278264), (16, 1297673915), (20, 1038139132), (23, 902729680), (40, 519069566), (46, 451364840), (73, 284421680), (80, 259534783), (92, 225682420), (115, 180545936), (146, 142210840), (184, 112841210), (230, 90272968), (292, 71105420), (331, 62727440), (365, 56884336), (368, 56420605), (460, 45136484), (467, 44459920), (584, 35552710), (662, 31363720), (730, 28442168), (920, 22568242), (934, 22229960), (1168, 17776355), (1324, 15681860), (1460, 14221084), (1655, 12545488), (1679, 12366160), (1840, 11284121), (1868, 11114980), (2335, 8891984), (2648, 7840930), (2920, 7110542), (3310, 6272744), (3358, 6183080), (3736, 5557490), (4670, 4445992), (5296, 3920465), (5840, 3555271), (6620, 3136372), (6716, 3091540), (7472, 2778745), (7613, 2727280), (8395, 2473232), (9340, 2222996), (10741, 1933040), (13240, 1568186), (13432, 1545770), (15226, 1363640), (16790, 1236616), (18680, 1111498), (21482, 966520), (24163, 859280), (26480, 784093), (26864, 772885), (30452, 681820), (33580, 618308), (34091, 609040), (37360, 555749), (38065, 545456), (42964, 483260), (48326, 429640), (53705, 386608), (60904, 340910), (67160, 309154), (68182, 304520), (76130, 272728), (85928, 241630), (96652, 214820), (107410, 193304), (120815, 171856), (121808, 170455), (134320, 154577), (136364, 152260)]