20191169908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:654

約数の個数: 144

約数和(自身を含む): 44966674368

約数和(自身を除く): 24775504460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 131, 182, 196, 241, 251, 262, 364, 482, 502, 524, 637, 917, 964, 1004, 1274, 1687, 1703, 1757, 1834, 2548, 3133, 3263, 3374, 3406, 3514, 3668, 6266, 6419, 6526, 6748, 6812, 7028, 11809, 11921, 12299, 12532, 12838, 13052, 21931, 22841, 23618, 23842, 24598, 25676, 31571, 32881, 43862, 45682, 47236, 47684, 49196, 60491, 63142, 65762, 83447, 87724, 91364, 120982, 126284, 131524, 153517, 159887, 166894, 220997, 230167, 241964, 307034, 319774, 333788, 410423, 423437, 427453, 441994, 460334, 614068, 639548, 786383, 820846, 846874, 854906, 883988, 920668, 1546979, 1572766, 1611169, 1641692, 1693748, 1709812, 2872961, 2964059, 2992171, 3093958, 3145532, 3222338, 5504681, 5745922, 5928118, 5984342, 6187916, 6444676, 7924321, 11009362, 11491844, 11856236, 11968684, 15848642, 20110727, 20945197, 22018724, 31697284, 38532767, 40221454, 41890394, 55470247, 77065534, 80442908, 83780788, 103016173, 110940494, 154131068, 206032346, 221880988, 388291729, 412064692, 721113211, 776583458, 1442226422, 1553166916, 2884452844, 5047792477, 10095584954, 20191169908]

約数ペア:

[(1, 20191169908), (2, 10095584954), (4, 5047792477), (7, 2884452844), (13, 1553166916), (14, 1442226422), (26, 776583458), (28, 721113211), (49, 412064692), (52, 388291729), (91, 221880988), (98, 206032346), (131, 154131068), (182, 110940494), (196, 103016173), (241, 83780788), (251, 80442908), (262, 77065534), (364, 55470247), (482, 41890394), (502, 40221454), (524, 38532767), (637, 31697284), (917, 22018724), (964, 20945197), (1004, 20110727), (1274, 15848642), (1687, 11968684), (1703, 11856236), (1757, 11491844), (1834, 11009362), (2548, 7924321), (3133, 6444676), (3263, 6187916), (3374, 5984342), (3406, 5928118), (3514, 5745922), (3668, 5504681), (6266, 3222338), (6419, 3145532), (6526, 3093958), (6748, 2992171), (6812, 2964059), (7028, 2872961), (11809, 1709812), (11921, 1693748), (12299, 1641692), (12532, 1611169), (12838, 1572766), (13052, 1546979), (21931, 920668), (22841, 883988), (23618, 854906), (23842, 846874), (24598, 820846), (25676, 786383), (31571, 639548), (32881, 614068), (43862, 460334), (45682, 441994), (47236, 427453), (47684, 423437), (49196, 410423), (60491, 333788), (63142, 319774), (65762, 307034), (83447, 241964), (87724, 230167), (91364, 220997), (120982, 166894), (126284, 159887), (131524, 153517)]