20185887488

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{587}}^1\times {\mathrm{10333}}^1$

素因数の和:10949

約数の個数: 72

約数和(自身を含む): 43470508368

約数和(自身を除く): 23284620880

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 587, 832, 1174, 1664, 2348, 3328, 4696, 7631, 9392, 10333, 15262, 18784, 20666, 30524, 37568, 41332, 61048, 75136, 82664, 122096, 134329, 150272, 165328, 244192, 268658, 330656, 488384, 537316, 661312, 976768, 1074632, 1322624, 1953536, 2149264, 2645248, 4298528, 6065471, 8597056, 12130942, 17194112, 24261884, 34388224, 48523768, 78851123, 97047536, 157702246, 194095072, 315404492, 388190144, 630808984, 776380288, 1261617968, 1552760576, 2523235936, 5046471872, 10092943744, 20185887488]

約数ペア:

[(1, 20185887488), (2, 10092943744), (4, 5046471872), (8, 2523235936), (13, 1552760576), (16, 1261617968), (26, 776380288), (32, 630808984), (52, 388190144), (64, 315404492), (104, 194095072), (128, 157702246), (208, 97047536), (256, 78851123), (416, 48523768), (587, 34388224), (832, 24261884), (1174, 17194112), (1664, 12130942), (2348, 8597056), (3328, 6065471), (4696, 4298528), (7631, 2645248), (9392, 2149264), (10333, 1953536), (15262, 1322624), (18784, 1074632), (20666, 976768), (30524, 661312), (37568, 537316), (41332, 488384), (61048, 330656), (75136, 268658), (82664, 244192), (122096, 165328), (134329, 150272)]