20139587980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4817}}^1$

素因数の和:5059

約数の個数: 96

約数和(自身を含む): 45165859200

約数和(自身を除く): 25026271220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 149, 230, 244, 298, 305, 460, 596, 610, 745, 1220, 1403, 1490, 2806, 2980, 3427, 4817, 5612, 6854, 7015, 9089, 9634, 13708, 14030, 17135, 18178, 19268, 24085, 28060, 34270, 36356, 45445, 48170, 68540, 90890, 96340, 110791, 181780, 209047, 221582, 293837, 418094, 443164, 553955, 587674, 717733, 836188, 1045235, 1107910, 1175348, 1435466, 1469185, 2090470, 2215820, 2870932, 2938370, 3588665, 4180940, 5876740, 6758251, 7177330, 13516502, 14354660, 16507859, 27033004, 33015718, 33791255, 43781713, 66031436, 67582510, 82539295, 87563426, 135165020, 165078590, 175126852, 218908565, 330157180, 437817130, 875634260, 1006979399, 2013958798, 4027917596, 5034896995, 10069793990, 20139587980]

約数ペア:

[(1, 20139587980), (2, 10069793990), (4, 5034896995), (5, 4027917596), (10, 2013958798), (20, 1006979399), (23, 875634260), (46, 437817130), (61, 330157180), (92, 218908565), (115, 175126852), (122, 165078590), (149, 135165020), (230, 87563426), (244, 82539295), (298, 67582510), (305, 66031436), (460, 43781713), (596, 33791255), (610, 33015718), (745, 27033004), (1220, 16507859), (1403, 14354660), (1490, 13516502), (2806, 7177330), (2980, 6758251), (3427, 5876740), (4817, 4180940), (5612, 3588665), (6854, 2938370), (7015, 2870932), (9089, 2215820), (9634, 2090470), (13708, 1469185), (14030, 1435466), (17135, 1175348), (18178, 1107910), (19268, 1045235), (24085, 836188), (28060, 717733), (34270, 587674), (36356, 553955), (45445, 443164), (48170, 418094), (68540, 293837), (90890, 221582), (96340, 209047), (110791, 181780)]