20992132140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{375799}}^1$

素因数の和:375844

約数の個数: 144

約数和(自身を含む): 71973216000

約数和(自身を除く): 50981083860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4655, 5586, 7980, 9310, 11172, 13965, 18620, 27930, 55860, 375799, 751598, 1127397, 1503196, 1878995, 2254794, 2630593, 3757990, 4509588, 5261186, 5636985, 7140181, 7515980, 7891779, 10522372, 11273970, 13152965, 14280362, 15783558, 18414151, 21420543, 22547940, 26305930, 28560724, 31567116, 35700905, 36828302, 39458895, 42841086, 49981267, 52611860, 55242453, 71401810, 73656604, 78917790, 85682172, 92070755, 99962534, 107102715, 110484906, 142803620, 149943801, 157835580, 184141510, 199925068, 214205430, 220969812, 249906335, 276212265, 299887602, 349868869, 368283020, 428410860, 499812670, 552424530, 599775204, 699737738, 749719005, 999625340, 1049606607, 1104849060, 1399475476, 1499438010, 1749344345, 2099213214, 2998876020, 3498688690, 4198426428, 5248033035, 6997377380, 10496066070, 20992132140]

約数ペア:

[(1, 20992132140), (2, 10496066070), (3, 6997377380), (4, 5248033035), (5, 4198426428), (6, 3498688690), (7, 2998876020), (10, 2099213214), (12, 1749344345), (14, 1499438010), (15, 1399475476), (19, 1104849060), (20, 1049606607), (21, 999625340), (28, 749719005), (30, 699737738), (35, 599775204), (38, 552424530), (42, 499812670), (49, 428410860), (57, 368283020), (60, 349868869), (70, 299887602), (76, 276212265), (84, 249906335), (95, 220969812), (98, 214205430), (105, 199925068), (114, 184141510), (133, 157835580), (140, 149943801), (147, 142803620), (190, 110484906), (196, 107102715), (210, 99962534), (228, 92070755), (245, 85682172), (266, 78917790), (285, 73656604), (294, 71401810), (380, 55242453), (399, 52611860), (420, 49981267), (490, 42841086), (532, 39458895), (570, 36828302), (588, 35700905), (665, 31567116), (735, 28560724), (798, 26305930), (931, 22547940), (980, 21420543), (1140, 18414151), (1330, 15783558), (1470, 14280362), (1596, 13152965), (1862, 11273970), (1995, 10522372), (2660, 7891779), (2793, 7515980), (2940, 7140181), (3724, 5636985), (3990, 5261186), (4655, 4509588), (5586, 3757990), (7980, 2630593), (9310, 2254794), (11172, 1878995), (13965, 1503196), (18620, 1127397), (27930, 751598), (55860, 375799)]