20427906528

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{4243}}^1$

素因数の和:4561

約数の個数: 144

約数和(自身を含む): 59158728720

約数和(自身を除く): 38730822192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 229, 288, 292, 438, 458, 584, 657, 687, 876, 916, 1168, 1314, 1374, 1752, 1832, 2061, 2336, 2628, 2748, 3504, 3664, 4122, 4243, 5256, 5496, 7008, 7328, 8244, 8486, 10512, 10992, 12729, 16488, 16717, 16972, 21024, 21984, 25458, 32976, 33434, 33944, 38187, 50151, 50916, 65952, 66868, 67888, 76374, 100302, 101832, 133736, 135776, 150453, 152748, 200604, 203664, 267472, 300906, 305496, 309739, 401208, 407328, 534944, 601812, 610992, 619478, 802416, 929217, 971647, 1203624, 1221984, 1238956, 1604832, 1858434, 1943294, 2407248, 2477912, 2787651, 2914941, 3716868, 3886588, 4814496, 4955824, 5575302, 5829882, 7433736, 7773176, 8744823, 9911648, 11150604, 11659764, 14867472, 15546352, 17489646, 22301208, 23319528, 29734944, 31092704, 34979292, 44602416, 46639056, 69958584, 70930231, 89204832, 93278112, 139917168, 141860462, 212790693, 279834336, 283720924, 425581386, 567441848, 638372079, 851162772, 1134883696, 1276744158, 1702325544, 2269767392, 2553488316, 3404651088, 5106976632, 6809302176, 10213953264, 20427906528]

約数ペア:

[(1, 20427906528), (2, 10213953264), (3, 6809302176), (4, 5106976632), (6, 3404651088), (8, 2553488316), (9, 2269767392), (12, 1702325544), (16, 1276744158), (18, 1134883696), (24, 851162772), (32, 638372079), (36, 567441848), (48, 425581386), (72, 283720924), (73, 279834336), (96, 212790693), (144, 141860462), (146, 139917168), (219, 93278112), (229, 89204832), (288, 70930231), (292, 69958584), (438, 46639056), (458, 44602416), (584, 34979292), (657, 31092704), (687, 29734944), (876, 23319528), (916, 22301208), (1168, 17489646), (1314, 15546352), (1374, 14867472), (1752, 11659764), (1832, 11150604), (2061, 9911648), (2336, 8744823), (2628, 7773176), (2748, 7433736), (3504, 5829882), (3664, 5575302), (4122, 4955824), (4243, 4814496), (5256, 3886588), (5496, 3716868), (7008, 2914941), (7328, 2787651), (8244, 2477912), (8486, 2407248), (10512, 1943294), (10992, 1858434), (12729, 1604832), (16488, 1238956), (16717, 1221984), (16972, 1203624), (21024, 971647), (21984, 929217), (25458, 802416), (32976, 619478), (33434, 610992), (33944, 601812), (38187, 534944), (50151, 407328), (50916, 401208), (65952, 309739), (66868, 305496), (67888, 300906), (76374, 267472), (100302, 203664), (101832, 200604), (133736, 152748), (135776, 150453)]