20119806

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 36282114

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 31, 34, 42, 51, 54, 62, 63, 93, 101, 102, 119, 126, 153, 186, 189, 202, 217, 238, 279, 303, 306, 357, 378, 434, 459, 527, 558, 606, 651, 707, 714, 837, 909, 918, 1054, 1071, 1302, 1414, 1581, 1674, 1717, 1818, 1953, 2121, 2142, 2727, 3131, 3162, 3213, 3434, 3689, 3906, 4242, 4743, 5151, 5454, 5859, 6262, 6363, 6426, 7378, 9393, 9486, 10302, 11067, 11718, 12019, 12726, 14229, 15453, 18786, 19089, 21917, 22134, 24038, 28179, 28458, 30906, 33201, 36057, 38178, 43834, 46359, 53227, 56358, 65751, 66402, 72114, 84537, 92718, 99603, 106454, 108171, 131502, 159681, 169074, 197253, 199206, 216342, 319362, 324513, 372589, 394506, 479043, 591759, 649026, 745178, 958086, 1117767, 1183518, 1437129, 2235534, 2874258, 3353301, 6706602, 10059903, 20119806]

約数ペア:

[(1, 20119806), (2, 10059903), (3, 6706602), (6, 3353301), (7, 2874258), (9, 2235534), (14, 1437129), (17, 1183518), (18, 1117767), (21, 958086), (27, 745178), (31, 649026), (34, 591759), (42, 479043), (51, 394506), (54, 372589), (62, 324513), (63, 319362), (93, 216342), (101, 199206), (102, 197253), (119, 169074), (126, 159681), (153, 131502), (186, 108171), (189, 106454), (202, 99603), (217, 92718), (238, 84537), (279, 72114), (303, 66402), (306, 65751), (357, 56358), (378, 53227), (434, 46359), (459, 43834), (527, 38178), (558, 36057), (606, 33201), (651, 30906), (707, 28458), (714, 28179), (837, 24038), (909, 22134), (918, 21917), (1054, 19089), (1071, 18786), (1302, 15453), (1414, 14229), (1581, 12726), (1674, 12019), (1717, 11718), (1818, 11067), (1953, 10302), (2121, 9486), (2142, 9393), (2727, 7378), (3131, 6426), (3162, 6363), (3213, 6262), (3434, 5859), (3689, 5454), (3906, 5151), (4242, 4743)]