20274570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 34721910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1231, 1647, 1830, 2462, 2745, 3294, 3693, 5490, 6155, 7386, 8235, 11079, 12310, 16470, 18465, 22158, 33237, 36930, 55395, 66474, 75091, 110790, 150182, 166185, 225273, 332370, 375455, 450546, 675819, 750910, 1126365, 1351638, 2027457, 2252730, 3379095, 4054914, 6758190, 10137285, 20274570]

約数ペア:

[(1, 20274570), (2, 10137285), (3, 6758190), (5, 4054914), (6, 3379095), (9, 2252730), (10, 2027457), (15, 1351638), (18, 1126365), (27, 750910), (30, 675819), (45, 450546), (54, 375455), (61, 332370), (90, 225273), (122, 166185), (135, 150182), (183, 110790), (270, 75091), (305, 66474), (366, 55395), (549, 36930), (610, 33237), (915, 22158), (1098, 18465), (1231, 16470), (1647, 12310), (1830, 11079), (2462, 8235), (2745, 7386), (3294, 6155), (3693, 5490)]