20219392

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 80

約数和(自身を含む): 45077472

約数和(自身を除く): 24858080

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 101, 128, 136, 184, 202, 256, 272, 368, 391, 404, 512, 544, 736, 782, 808, 1088, 1472, 1564, 1616, 1717, 2176, 2323, 2944, 3128, 3232, 3434, 4352, 4646, 5888, 6256, 6464, 6868, 8704, 9292, 11776, 12512, 12928, 13736, 18584, 25024, 25856, 27472, 37168, 39491, 50048, 51712, 54944, 74336, 78982, 100096, 109888, 148672, 157964, 200192, 219776, 297344, 315928, 439552, 594688, 631856, 879104, 1189376, 1263712, 2527424, 5054848, 10109696, 20219392]

約数ペア:

[(1, 20219392), (2, 10109696), (4, 5054848), (8, 2527424), (16, 1263712), (17, 1189376), (23, 879104), (32, 631856), (34, 594688), (46, 439552), (64, 315928), (68, 297344), (92, 219776), (101, 200192), (128, 157964), (136, 148672), (184, 109888), (202, 100096), (256, 78982), (272, 74336), (368, 54944), (391, 51712), (404, 50048), (512, 39491), (544, 37168), (736, 27472), (782, 25856), (808, 25024), (1088, 18584), (1472, 13736), (1564, 12928), (1616, 12512), (1717, 11776), (2176, 9292), (2323, 8704), (2944, 6868), (3128, 6464), (3232, 6256), (3434, 5888), (4352, 4646)]