20085132720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1\times {\mathrm{2557}}^1$

素因数の和:4019

約数の個数: 160

約数和(自身を含む): 65042122752

約数和(自身を除く): 44956990032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1423, 1840, 2557, 2760, 2846, 4269, 5114, 5520, 5692, 7115, 7671, 8538, 10228, 11384, 12785, 14230, 15342, 17076, 20456, 21345, 22768, 25570, 28460, 30684, 32729, 34152, 38355, 40912, 42690, 51140, 56920, 58811, 61368, 65458, 68304, 76710, 85380, 98187, 102280, 113840, 117622, 122736, 130916, 153420, 163645, 170760, 176433, 196374, 204560, 235244, 261832, 294055, 306840, 327290, 341520, 352866, 392748, 470488, 490935, 523664, 588110, 613680, 654580, 705732, 785496, 882165, 940976, 981870, 1176220, 1309160, 1411464, 1570992, 1764330, 1963740, 2352440, 2618320, 2822928, 3528660, 3638611, 3927480, 4704880, 7057320, 7277222, 7854960, 10915833, 14114640, 14554444, 18193055, 21831666, 29108888, 36386110, 43663332, 54579165, 58217776, 72772220, 83688053, 87326664, 109158330, 145544440, 167376106, 174653328, 218316660, 251064159, 291088880, 334752212, 418440265, 436633320, 502128318, 669504424, 836880530, 873266640, 1004256636, 1255320795, 1339008848, 1673761060, 2008513272, 2510641590, 3347522120, 4017026544, 5021283180, 6695044240, 10042566360, 20085132720]

約数ペア:

[(1, 20085132720), (2, 10042566360), (3, 6695044240), (4, 5021283180), (5, 4017026544), (6, 3347522120), (8, 2510641590), (10, 2008513272), (12, 1673761060), (15, 1339008848), (16, 1255320795), (20, 1004256636), (23, 873266640), (24, 836880530), (30, 669504424), (40, 502128318), (46, 436633320), (48, 418440265), (60, 334752212), (69, 291088880), (80, 251064159), (92, 218316660), (115, 174653328), (120, 167376106), (138, 145544440), (184, 109158330), (230, 87326664), (240, 83688053), (276, 72772220), (345, 58217776), (368, 54579165), (460, 43663332), (552, 36386110), (690, 29108888), (920, 21831666), (1104, 18193055), (1380, 14554444), (1423, 14114640), (1840, 10915833), (2557, 7854960), (2760, 7277222), (2846, 7057320), (4269, 4704880), (5114, 3927480), (5520, 3638611), (5692, 3528660), (7115, 2822928), (7671, 2618320), (8538, 2352440), (10228, 1963740), (11384, 1764330), (12785, 1570992), (14230, 1411464), (15342, 1309160), (17076, 1176220), (20456, 981870), (21345, 940976), (22768, 882165), (25570, 785496), (28460, 705732), (30684, 654580), (32729, 613680), (34152, 588110), (38355, 523664), (40912, 490935), (42690, 470488), (51140, 392748), (56920, 352866), (58811, 341520), (61368, 327290), (65458, 306840), (68304, 294055), (76710, 261832), (85380, 235244), (98187, 204560), (102280, 196374), (113840, 176433), (117622, 170760), (122736, 163645), (130916, 153420)]