20743482620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{11423}}^1$

素因数の和:11572

約数の個数: 144

約数和(自身を含む): 54151130880

約数和(自身を除く): 33407648260

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 109, 119, 140, 170, 196, 218, 238, 245, 340, 436, 476, 490, 545, 595, 763, 833, 980, 1090, 1190, 1526, 1666, 1853, 2180, 2380, 3052, 3332, 3706, 3815, 4165, 5341, 7412, 7630, 8330, 9265, 10682, 11423, 12971, 15260, 16660, 18530, 21364, 22846, 25942, 26705, 37060, 45692, 51884, 53410, 57115, 64855, 79961, 90797, 106820, 114230, 129710, 159922, 181594, 194191, 228460, 259420, 319844, 363188, 388382, 399805, 453985, 559727, 776764, 799610, 907970, 970955, 1119454, 1245107, 1359337, 1599220, 1815940, 1941910, 2238908, 2490214, 2718674, 2798635, 3883820, 4980428, 5437348, 5597270, 6225535, 6796685, 8715749, 9515359, 11194540, 12451070, 13593370, 17431498, 19030718, 21166819, 24902140, 27186740, 34862996, 38061436, 42333638, 43578745, 47576795, 61010243, 84667276, 87157490, 95153590, 105834095, 122020486, 148167733, 174314980, 190307180, 211668190, 244040972, 296335466, 305051215, 423336380, 592670932, 610102430, 740838665, 1037174131, 1220204860, 1481677330, 2074348262, 2963354660, 4148696524, 5185870655, 10371741310, 20743482620]

約数ペア:

[(1, 20743482620), (2, 10371741310), (4, 5185870655), (5, 4148696524), (7, 2963354660), (10, 2074348262), (14, 1481677330), (17, 1220204860), (20, 1037174131), (28, 740838665), (34, 610102430), (35, 592670932), (49, 423336380), (68, 305051215), (70, 296335466), (85, 244040972), (98, 211668190), (109, 190307180), (119, 174314980), (140, 148167733), (170, 122020486), (196, 105834095), (218, 95153590), (238, 87157490), (245, 84667276), (340, 61010243), (436, 47576795), (476, 43578745), (490, 42333638), (545, 38061436), (595, 34862996), (763, 27186740), (833, 24902140), (980, 21166819), (1090, 19030718), (1190, 17431498), (1526, 13593370), (1666, 12451070), (1853, 11194540), (2180, 9515359), (2380, 8715749), (3052, 6796685), (3332, 6225535), (3706, 5597270), (3815, 5437348), (4165, 4980428), (5341, 3883820), (7412, 2798635), (7630, 2718674), (8330, 2490214), (9265, 2238908), (10682, 1941910), (11423, 1815940), (12971, 1599220), (15260, 1359337), (16660, 1245107), (18530, 1119454), (21364, 970955), (22846, 907970), (25942, 799610), (26705, 776764), (37060, 559727), (45692, 453985), (51884, 399805), (53410, 388382), (57115, 363188), (64855, 319844), (79961, 259420), (90797, 228460), (106820, 194191), (114230, 181594), (129710, 159922)]