20189385792

素因数分解:

$2^6\times 3^2\times {\mathrm{491}}^1\times {\mathrm{71387}}^1$

素因数の和:71896

約数の個数: 84

約数和(自身を含む): 57987901296

約数和(自身を除く): 37798515504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 491, 576, 982, 1473, 1964, 2946, 3928, 4419, 5892, 7856, 8838, 11784, 15712, 17676, 23568, 31424, 35352, 47136, 70704, 71387, 94272, 141408, 142774, 214161, 282816, 285548, 428322, 571096, 642483, 856644, 1142192, 1284966, 1713288, 2284384, 2569932, 3426576, 4568768, 5139864, 6853152, 10279728, 13706304, 20559456, 35051017, 41118912, 70102034, 105153051, 140204068, 210306102, 280408136, 315459153, 420612204, 560816272, 630918306, 841224408, 1121632544, 1261836612, 1682448816, 2243265088, 2523673224, 3364897632, 5047346448, 6729795264, 10094692896, 20189385792]

約数ペア:

[(1, 20189385792), (2, 10094692896), (3, 6729795264), (4, 5047346448), (6, 3364897632), (8, 2523673224), (9, 2243265088), (12, 1682448816), (16, 1261836612), (18, 1121632544), (24, 841224408), (32, 630918306), (36, 560816272), (48, 420612204), (64, 315459153), (72, 280408136), (96, 210306102), (144, 140204068), (192, 105153051), (288, 70102034), (491, 41118912), (576, 35051017), (982, 20559456), (1473, 13706304), (1964, 10279728), (2946, 6853152), (3928, 5139864), (4419, 4568768), (5892, 3426576), (7856, 2569932), (8838, 2284384), (11784, 1713288), (15712, 1284966), (17676, 1142192), (23568, 856644), (31424, 642483), (35352, 571096), (47136, 428322), (70704, 285548), (71387, 282816), (94272, 214161), (141408, 142774)]