20120448620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{3089}}^1$

素因数の和:3459

約数の個数: 96

約数和(自身を含む): 45381470400

約数和(自身を除く): 25261021780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 281, 305, 380, 562, 610, 1124, 1159, 1220, 1405, 2318, 2810, 3089, 4636, 5339, 5620, 5795, 6178, 10678, 11590, 12356, 15445, 17141, 21356, 23180, 26695, 30890, 34282, 53390, 58691, 61780, 68564, 85705, 106780, 117382, 171410, 188429, 234764, 293455, 325679, 342820, 376858, 586910, 651358, 753716, 868009, 942145, 1173820, 1302716, 1628395, 1736018, 1884290, 3256790, 3472036, 3580151, 3768580, 4340045, 6513580, 7160302, 8680090, 14320604, 16492171, 17360180, 17900755, 32984342, 35801510, 52948549, 65968684, 71603020, 82460855, 105897098, 164921710, 211794196, 264742745, 329843420, 529485490, 1006022431, 1058970980, 2012044862, 4024089724, 5030112155, 10060224310, 20120448620]

約数ペア:

[(1, 20120448620), (2, 10060224310), (4, 5030112155), (5, 4024089724), (10, 2012044862), (19, 1058970980), (20, 1006022431), (38, 529485490), (61, 329843420), (76, 264742745), (95, 211794196), (122, 164921710), (190, 105897098), (244, 82460855), (281, 71603020), (305, 65968684), (380, 52948549), (562, 35801510), (610, 32984342), (1124, 17900755), (1159, 17360180), (1220, 16492171), (1405, 14320604), (2318, 8680090), (2810, 7160302), (3089, 6513580), (4636, 4340045), (5339, 3768580), (5620, 3580151), (5795, 3472036), (6178, 3256790), (10678, 1884290), (11590, 1736018), (12356, 1628395), (15445, 1302716), (17141, 1173820), (21356, 942145), (23180, 868009), (26695, 753716), (30890, 651358), (34282, 586910), (53390, 376858), (58691, 342820), (61780, 325679), (68564, 293455), (85705, 234764), (106780, 188429), (117382, 171410)]