20713770

素因数分解:

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

素因数の和:106

約数の個数: 192

約数和(自身を含む): 69638400

約数和(自身を除く): 48924630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 61, 63, 66, 70, 77, 90, 98, 99, 105, 110, 122, 126, 147, 154, 165, 183, 198, 210, 231, 245, 294, 305, 315, 330, 343, 366, 385, 427, 441, 462, 490, 495, 539, 549, 610, 630, 671, 686, 693, 735, 770, 854, 882, 915, 990, 1029, 1078, 1098, 1155, 1281, 1342, 1386, 1470, 1617, 1715, 1830, 2013, 2058, 2135, 2205, 2310, 2562, 2695, 2745, 2989, 3087, 3234, 3355, 3430, 3465, 3773, 3843, 4026, 4270, 4410, 4697, 4851, 5145, 5390, 5490, 5978, 6039, 6174, 6405, 6710, 6930, 7546, 7686, 8085, 8967, 9394, 9702, 10065, 10290, 11319, 12078, 12810, 14091, 14945, 15435, 16170, 17934, 18865, 19215, 20130, 20923, 22638, 23485, 24255, 26901, 28182, 29890, 30195, 30870, 32879, 33957, 37730, 38430, 41846, 42273, 44835, 46970, 48510, 53802, 56595, 60390, 62769, 65758, 67914, 70455, 84546, 89670, 98637, 104615, 113190, 125538, 134505, 140910, 164395, 169785, 188307, 197274, 209230, 211365, 230153, 269010, 295911, 313845, 328790, 339570, 376614, 422730, 460306, 493185, 591822, 627690, 690459, 941535, 986370, 1150765, 1380918, 1479555, 1883070, 2071377, 2301530, 2959110, 3452295, 4142754, 6904590, 10356885, 20713770]

約数ペア:

[(1, 20713770), (2, 10356885), (3, 6904590), (5, 4142754), (6, 3452295), (7, 2959110), (9, 2301530), (10, 2071377), (11, 1883070), (14, 1479555), (15, 1380918), (18, 1150765), (21, 986370), (22, 941535), (30, 690459), (33, 627690), (35, 591822), (42, 493185), (45, 460306), (49, 422730), (55, 376614), (61, 339570), (63, 328790), (66, 313845), (70, 295911), (77, 269010), (90, 230153), (98, 211365), (99, 209230), (105, 197274), (110, 188307), (122, 169785), (126, 164395), (147, 140910), (154, 134505), (165, 125538), (183, 113190), (198, 104615), (210, 98637), (231, 89670), (245, 84546), (294, 70455), (305, 67914), (315, 65758), (330, 62769), (343, 60390), (366, 56595), (385, 53802), (427, 48510), (441, 46970), (462, 44835), (490, 42273), (495, 41846), (539, 38430), (549, 37730), (610, 33957), (630, 32879), (671, 30870), (686, 30195), (693, 29890), (735, 28182), (770, 26901), (854, 24255), (882, 23485), (915, 22638), (990, 20923), (1029, 20130), (1078, 19215), (1098, 18865), (1155, 17934), (1281, 16170), (1342, 15435), (1386, 14945), (1470, 14091), (1617, 12810), (1715, 12078), (1830, 11319), (2013, 10290), (2058, 10065), (2135, 9702), (2205, 9394), (2310, 8967), (2562, 8085), (2695, 7686), (2745, 7546), (2989, 6930), (3087, 6710), (3234, 6405), (3355, 6174), (3430, 6039), (3465, 5978), (3773, 5490), (3843, 5390), (4026, 5145), (4270, 4851), (4410, 4697)]