20791607928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1\times {\mathrm{3929}}^1$

素因数の和:6381

約数の個数: 128

約数和(自身を含む): 64016870400

約数和(自身を除く): 43225262472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 2423, 3929, 4846, 7269, 7858, 9692, 11787, 14538, 15716, 16961, 19384, 23574, 27503, 29076, 31432, 31499, 33922, 47148, 50883, 51077, 55006, 58152, 62998, 67844, 82509, 94296, 94497, 101766, 102154, 110012, 125996, 135688, 153231, 165018, 188994, 203532, 204308, 220024, 220493, 251992, 306462, 330036, 357539, 377988, 407064, 408616, 440986, 612924, 660072, 661479, 715078, 755976, 881972, 1072617, 1225848, 1322958, 1430156, 1763944, 2145234, 2645916, 2860312, 4290468, 5291832, 8580936, 9519967, 19039934, 28559901, 38079868, 57119802, 66639769, 76159736, 114239604, 123759571, 133279538, 199919307, 228479208, 247519142, 266559076, 371278713, 399838614, 495038284, 533118152, 742557426, 799677228, 866316997, 990076568, 1485114852, 1599354456, 1732633994, 2598950991, 2970229704, 3465267988, 5197901982, 6930535976, 10395803964, 20791607928]

約数ペア:

[(1, 20791607928), (2, 10395803964), (3, 6930535976), (4, 5197901982), (6, 3465267988), (7, 2970229704), (8, 2598950991), (12, 1732633994), (13, 1599354456), (14, 1485114852), (21, 990076568), (24, 866316997), (26, 799677228), (28, 742557426), (39, 533118152), (42, 495038284), (52, 399838614), (56, 371278713), (78, 266559076), (84, 247519142), (91, 228479208), (104, 199919307), (156, 133279538), (168, 123759571), (182, 114239604), (273, 76159736), (312, 66639769), (364, 57119802), (546, 38079868), (728, 28559901), (1092, 19039934), (2184, 9519967), (2423, 8580936), (3929, 5291832), (4846, 4290468), (7269, 2860312), (7858, 2645916), (9692, 2145234), (11787, 1763944), (14538, 1430156), (15716, 1322958), (16961, 1225848), (19384, 1072617), (23574, 881972), (27503, 755976), (29076, 715078), (31432, 661479), (31499, 660072), (33922, 612924), (47148, 440986), (50883, 408616), (51077, 407064), (55006, 377988), (58152, 357539), (62998, 330036), (67844, 306462), (82509, 251992), (94296, 220493), (94497, 220024), (101766, 204308), (102154, 203532), (110012, 188994), (125996, 165018), (135688, 153231)]