20572860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 73995264

約数和(自身を除く): 53422404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 61, 66, 70, 73, 77, 84, 105, 110, 122, 132, 140, 146, 154, 165, 183, 210, 219, 220, 231, 244, 292, 305, 308, 330, 365, 366, 385, 420, 427, 438, 462, 511, 610, 660, 671, 730, 732, 770, 803, 854, 876, 915, 924, 1022, 1095, 1155, 1220, 1281, 1342, 1460, 1533, 1540, 1606, 1708, 1830, 2013, 2044, 2135, 2190, 2310, 2409, 2555, 2562, 2684, 3066, 3212, 3355, 3660, 4015, 4026, 4270, 4380, 4453, 4620, 4697, 4818, 5110, 5124, 5621, 6132, 6405, 6710, 7665, 8030, 8052, 8540, 8906, 9394, 9636, 10065, 10220, 11242, 12045, 12810, 13359, 13420, 14091, 15330, 16060, 16863, 17812, 18788, 20130, 22265, 22484, 23485, 24090, 25620, 26718, 28105, 28182, 30660, 31171, 33726, 40260, 44530, 46970, 48180, 48983, 53436, 56210, 56364, 62342, 66795, 67452, 70455, 84315, 89060, 93513, 93940, 97966, 112420, 124684, 133590, 140910, 146949, 155855, 168630, 187026, 195932, 244915, 267180, 281820, 293898, 311710, 337260, 342881, 374052, 467565, 489830, 587796, 623420, 685762, 734745, 935130, 979660, 1028643, 1371524, 1469490, 1714405, 1870260, 2057286, 2938980, 3428810, 4114572, 5143215, 6857620, 10286430, 20572860]

約数ペア:

[(1, 20572860), (2, 10286430), (3, 6857620), (4, 5143215), (5, 4114572), (6, 3428810), (7, 2938980), (10, 2057286), (11, 1870260), (12, 1714405), (14, 1469490), (15, 1371524), (20, 1028643), (21, 979660), (22, 935130), (28, 734745), (30, 685762), (33, 623420), (35, 587796), (42, 489830), (44, 467565), (55, 374052), (60, 342881), (61, 337260), (66, 311710), (70, 293898), (73, 281820), (77, 267180), (84, 244915), (105, 195932), (110, 187026), (122, 168630), (132, 155855), (140, 146949), (146, 140910), (154, 133590), (165, 124684), (183, 112420), (210, 97966), (219, 93940), (220, 93513), (231, 89060), (244, 84315), (292, 70455), (305, 67452), (308, 66795), (330, 62342), (365, 56364), (366, 56210), (385, 53436), (420, 48983), (427, 48180), (438, 46970), (462, 44530), (511, 40260), (610, 33726), (660, 31171), (671, 30660), (730, 28182), (732, 28105), (770, 26718), (803, 25620), (854, 24090), (876, 23485), (915, 22484), (924, 22265), (1022, 20130), (1095, 18788), (1155, 17812), (1220, 16863), (1281, 16060), (1342, 15330), (1460, 14091), (1533, 13420), (1540, 13359), (1606, 12810), (1708, 12045), (1830, 11242), (2013, 10220), (2044, 10065), (2135, 9636), (2190, 9394), (2310, 8906), (2409, 8540), (2555, 8052), (2562, 8030), (2684, 7665), (3066, 6710), (3212, 6405), (3355, 6132), (3660, 5621), (4015, 5124), (4026, 5110), (4270, 4818), (4380, 4697), (4453, 4620)]