20193654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 46823616

約数和(自身を除く): 26629962

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 97, 102, 157, 194, 221, 291, 314, 442, 471, 582, 663, 942, 1261, 1326, 1649, 2041, 2522, 2669, 3298, 3783, 4082, 4947, 5338, 6123, 7566, 8007, 9894, 12246, 15229, 16014, 21437, 30458, 34697, 42874, 45687, 64311, 69394, 91374, 104091, 128622, 197977, 208182, 258893, 395954, 517786, 593931, 776679, 1187862, 1553358, 3365609, 6731218, 10096827, 20193654]

約数ペア:

[(1, 20193654), (2, 10096827), (3, 6731218), (6, 3365609), (13, 1553358), (17, 1187862), (26, 776679), (34, 593931), (39, 517786), (51, 395954), (78, 258893), (97, 208182), (102, 197977), (157, 128622), (194, 104091), (221, 91374), (291, 69394), (314, 64311), (442, 45687), (471, 42874), (582, 34697), (663, 30458), (942, 21437), (1261, 16014), (1326, 15229), (1649, 12246), (2041, 9894), (2522, 8007), (2669, 7566), (3298, 6123), (3783, 5338), (4082, 4947)]