20143777720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2963}}^1\times {\mathrm{15451}}^1$

素因数の和:18436

約数の個数: 64

約数和(自身を含む): 49463706240

約数和(自身を除く): 29319928520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2963, 5926, 11852, 14815, 15451, 23704, 29630, 30902, 32593, 59260, 61804, 65186, 77255, 118520, 123608, 130372, 154510, 162965, 169961, 260744, 309020, 325930, 339922, 618040, 651860, 679844, 849805, 1303720, 1359688, 1699610, 3399220, 6798440, 45781313, 91562626, 183125252, 228906565, 366250504, 457813130, 503594443, 915626260, 1007188886, 1831252520, 2014377772, 2517972215, 4028755544, 5035944430, 10071888860, 20143777720]

約数ペア:

[(1, 20143777720), (2, 10071888860), (4, 5035944430), (5, 4028755544), (8, 2517972215), (10, 2014377772), (11, 1831252520), (20, 1007188886), (22, 915626260), (40, 503594443), (44, 457813130), (55, 366250504), (88, 228906565), (110, 183125252), (220, 91562626), (440, 45781313), (2963, 6798440), (5926, 3399220), (11852, 1699610), (14815, 1359688), (15451, 1303720), (23704, 849805), (29630, 679844), (30902, 651860), (32593, 618040), (59260, 339922), (61804, 325930), (65186, 309020), (77255, 260744), (118520, 169961), (123608, 162965), (130372, 154510)]