20053710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 57028320

約数和(自身を除く): 36974610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 257, 270, 289, 306, 459, 510, 514, 578, 765, 771, 867, 918, 1285, 1445, 1530, 1542, 1734, 2295, 2313, 2570, 2601, 2890, 3855, 4335, 4369, 4590, 4626, 5202, 6939, 7710, 7803, 8670, 8738, 11565, 13005, 13107, 13878, 15606, 21845, 23130, 26010, 26214, 34695, 39015, 39321, 43690, 65535, 69390, 74273, 78030, 78642, 117963, 131070, 148546, 196605, 222819, 235926, 371365, 393210, 445638, 589815, 668457, 742730, 1114095, 1179630, 1336914, 2005371, 2228190, 3342285, 4010742, 6684570, 10026855, 20053710]

約数ペア:

[(1, 20053710), (2, 10026855), (3, 6684570), (5, 4010742), (6, 3342285), (9, 2228190), (10, 2005371), (15, 1336914), (17, 1179630), (18, 1114095), (27, 742730), (30, 668457), (34, 589815), (45, 445638), (51, 393210), (54, 371365), (85, 235926), (90, 222819), (102, 196605), (135, 148546), (153, 131070), (170, 117963), (255, 78642), (257, 78030), (270, 74273), (289, 69390), (306, 65535), (459, 43690), (510, 39321), (514, 39015), (578, 34695), (765, 26214), (771, 26010), (867, 23130), (918, 21845), (1285, 15606), (1445, 13878), (1530, 13107), (1542, 13005), (1734, 11565), (2295, 8738), (2313, 8670), (2570, 7803), (2601, 7710), (2890, 6939), (3855, 5202), (4335, 4626), (4369, 4590)]