20107260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6571}}^1$

素因数の和:6603

約数の個数: 72

約数和(自身を含む): 64589616

約数和(自身を除く): 44482356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6571, 13142, 19713, 26284, 32855, 39426, 59139, 65710, 78852, 98565, 111707, 118278, 131420, 197130, 223414, 236556, 295695, 335121, 394260, 446828, 558535, 591390, 670242, 1005363, 1117070, 1182780, 1340484, 1675605, 2010726, 2234140, 3351210, 4021452, 5026815, 6702420, 10053630, 20107260]

約数ペア:

[(1, 20107260), (2, 10053630), (3, 6702420), (4, 5026815), (5, 4021452), (6, 3351210), (9, 2234140), (10, 2010726), (12, 1675605), (15, 1340484), (17, 1182780), (18, 1117070), (20, 1005363), (30, 670242), (34, 591390), (36, 558535), (45, 446828), (51, 394260), (60, 335121), (68, 295695), (85, 236556), (90, 223414), (102, 197130), (153, 131420), (170, 118278), (180, 111707), (204, 98565), (255, 78852), (306, 65710), (340, 59139), (510, 39426), (612, 32855), (765, 26284), (1020, 19713), (1530, 13142), (3060, 6571)]