20577883410

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{640457}}^1$

素因数の和:640497

約数の個数: 128

約数和(自身を含む): 66402685440

約数和(自身を除く): 45824802030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 918, 945, 1071, 1190, 1530, 1785, 1890, 2142, 2295, 3213, 3570, 4590, 5355, 6426, 10710, 16065, 32130, 640457, 1280914, 1921371, 3202285, 3842742, 4483199, 5764113, 6404570, 8966398, 9606855, 10887769, 11528226, 13449597, 17292339, 19213710, 21775538, 22415995, 26899194, 28820565, 32663307, 34584678, 40348791, 44831990, 54438845, 57641130, 65326614, 67247985, 76214383, 80697582, 86461695, 97989921, 108877690, 121046373, 134495970, 152428766, 163316535, 172923390, 195979842, 201743955, 228643149, 242092746, 293969763, 326633070, 381071915, 403487910, 457286298, 489949605, 587939526, 605231865, 685929447, 762143830, 979899210, 1143215745, 1210463730, 1371858894, 1469848815, 2057788341, 2286431490, 2939697630, 3429647235, 4115576682, 6859294470, 10288941705, 20577883410]

約数ペア:

[(1, 20577883410), (2, 10288941705), (3, 6859294470), (5, 4115576682), (6, 3429647235), (7, 2939697630), (9, 2286431490), (10, 2057788341), (14, 1469848815), (15, 1371858894), (17, 1210463730), (18, 1143215745), (21, 979899210), (27, 762143830), (30, 685929447), (34, 605231865), (35, 587939526), (42, 489949605), (45, 457286298), (51, 403487910), (54, 381071915), (63, 326633070), (70, 293969763), (85, 242092746), (90, 228643149), (102, 201743955), (105, 195979842), (119, 172923390), (126, 163316535), (135, 152428766), (153, 134495970), (170, 121046373), (189, 108877690), (210, 97989921), (238, 86461695), (255, 80697582), (270, 76214383), (306, 67247985), (315, 65326614), (357, 57641130), (378, 54438845), (459, 44831990), (510, 40348791), (595, 34584678), (630, 32663307), (714, 28820565), (765, 26899194), (918, 22415995), (945, 21775538), (1071, 19213710), (1190, 17292339), (1530, 13449597), (1785, 11528226), (1890, 10887769), (2142, 9606855), (2295, 8966398), (3213, 6404570), (3570, 5764113), (4590, 4483199), (5355, 3842742), (6426, 3202285), (10710, 1921371), (16065, 1280914), (32130, 640457)]