20058051720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{391453}}^1$

素因数の和:391535

約数の個数: 128

約数和(自身を含む): 69898026240

約数和(自身を除く): 49839974520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4270, 5124, 6405, 7320, 8540, 10248, 12810, 17080, 25620, 51240, 391453, 782906, 1174359, 1565812, 1957265, 2348718, 2740171, 3131624, 3914530, 4697436, 5480342, 5871795, 7829060, 8220513, 9394872, 10960684, 11743590, 13700855, 15658120, 16441026, 21921368, 23487180, 23878633, 27401710, 32882052, 41102565, 46974360, 47757266, 54803420, 65764104, 71635899, 82205130, 95514532, 109606840, 119393165, 143271798, 164410260, 167150431, 191029064, 238786330, 286543596, 328820520, 334300862, 358179495, 477572660, 501451293, 573087192, 668601724, 716358990, 835752155, 955145320, 1002902586, 1337203448, 1432717980, 1671504310, 2005805172, 2507256465, 2865435960, 3343008620, 4011610344, 5014512930, 6686017240, 10029025860, 20058051720]

約数ペア:

[(1, 20058051720), (2, 10029025860), (3, 6686017240), (4, 5014512930), (5, 4011610344), (6, 3343008620), (7, 2865435960), (8, 2507256465), (10, 2005805172), (12, 1671504310), (14, 1432717980), (15, 1337203448), (20, 1002902586), (21, 955145320), (24, 835752155), (28, 716358990), (30, 668601724), (35, 573087192), (40, 501451293), (42, 477572660), (56, 358179495), (60, 334300862), (61, 328820520), (70, 286543596), (84, 238786330), (105, 191029064), (120, 167150431), (122, 164410260), (140, 143271798), (168, 119393165), (183, 109606840), (210, 95514532), (244, 82205130), (280, 71635899), (305, 65764104), (366, 54803420), (420, 47757266), (427, 46974360), (488, 41102565), (610, 32882052), (732, 27401710), (840, 23878633), (854, 23487180), (915, 21921368), (1220, 16441026), (1281, 15658120), (1464, 13700855), (1708, 11743590), (1830, 10960684), (2135, 9394872), (2440, 8220513), (2562, 7829060), (3416, 5871795), (3660, 5480342), (4270, 4697436), (5124, 3914530), (6405, 3131624), (7320, 2740171), (8540, 2348718), (10248, 1957265), (12810, 1565812), (17080, 1174359), (25620, 782906), (51240, 391453)]